SortedSet<T> 類別

定義

表示依排序順序維護的物件集合。Represents a collection of objects that is maintained in sorted order.

generic <typename T>
public ref class SortedSet : System::Collections::Generic::ICollection<T>, System::Collections::Generic::IEnumerable<T>, System::Collections::Generic::IReadOnlyCollection<T>, System::Collections::Generic::ISet<T>, System::Collections::ICollection
generic <typename T>
public ref class SortedSet : System::Collections::Generic::ICollection<T>, System::Collections::Generic::IEnumerable<T>, System::Collections::Generic::IReadOnlyCollection<T>, System::Collections::Generic::IReadOnlySet<T>, System::Collections::Generic::ISet<T>, System::Collections::ICollection, System::Runtime::Serialization::IDeserializationCallback, System::Runtime::Serialization::ISerializable
generic <typename T>
public ref class SortedSet : System::Collections::Generic::ICollection<T>, System::Collections::Generic::IEnumerable<T>, System::Collections::Generic::IReadOnlyCollection<T>, System::Collections::Generic::ISet<T>, System::Collections::ICollection, System::Runtime::Serialization::IDeserializationCallback, System::Runtime::Serialization::ISerializable
generic <typename T>
public ref class SortedSet : System::Collections::Generic::ICollection<T>, System::Collections::Generic::IEnumerable<T>, System::Collections::Generic::ISet<T>, System::Collections::ICollection, System::Runtime::Serialization::IDeserializationCallback, System::Runtime::Serialization::ISerializable
generic <typename T>
public ref class SortedSet : System::Collections::Generic::ICollection<T>, System::Collections::Generic::IEnumerable<T>, System::Collections::Generic::ISet<T>, System::Collections::ICollection
public class SortedSet<T> : System.Collections.Generic.ICollection<T>, System.Collections.Generic.IEnumerable<T>, System.Collections.Generic.IReadOnlyCollection<T>, System.Collections.Generic.ISet<T>, System.Collections.ICollection
public class SortedSet<T> : System.Collections.Generic.ICollection<T>, System.Collections.Generic.IEnumerable<T>, System.Collections.Generic.IReadOnlyCollection<T>, System.Collections.Generic.IReadOnlySet<T>, System.Collections.Generic.ISet<T>, System.Collections.ICollection, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
public class SortedSet<T> : System.Collections.Generic.ICollection<T>, System.Collections.Generic.IEnumerable<T>, System.Collections.Generic.IReadOnlyCollection<T>, System.Collections.Generic.ISet<T>, System.Collections.ICollection, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
[System.Serializable]
public class SortedSet<T> : System.Collections.Generic.ICollection<T>, System.Collections.Generic.IEnumerable<T>, System.Collections.Generic.ISet<T>, System.Collections.ICollection, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
[System.Serializable]
public class SortedSet<T> : System.Collections.Generic.ICollection<T>, System.Collections.Generic.IEnumerable<T>, System.Collections.Generic.IReadOnlyCollection<T>, System.Collections.Generic.ISet<T>, System.Collections.ICollection, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
public class SortedSet<T> : System.Collections.Generic.ICollection<T>, System.Collections.Generic.IEnumerable<T>, System.Collections.Generic.ISet<T>, System.Collections.ICollection
type SortedSet<'T> = class
    interface ICollection<'T>
    interface seq<'T>
    interface IEnumerable
    interface IReadOnlyCollection<'T>
    interface ISet<'T>
    interface ICollection
type SortedSet<'T> = class
    interface ICollection<'T>
    interface seq<'T>
    interface IEnumerable
    interface IReadOnlyCollection<'T>
    interface ISet<'T>
    interface IReadOnlySet<'T>
    interface ICollection
    interface IDeserializationCallback
    interface ISerializable
type SortedSet<'T> = class
    interface ICollection<'T>
    interface seq<'T>
    interface IEnumerable
    interface IReadOnlyCollection<'T>
    interface ISet<'T>
    interface ICollection
    interface IDeserializationCallback
    interface ISerializable
type SortedSet<'T> = class
    interface ISet<'T>
    interface ICollection<'T>
    interface seq<'T>
    interface ICollection
    interface IEnumerable
    interface ISerializable
    interface IDeserializationCallback
type SortedSet<'T> = class
    interface ISet<'T>
    interface ICollection<'T>
    interface seq<'T>
    interface IEnumerable
    interface ICollection
    interface ISerializable
    interface IDeserializationCallback
    interface IReadOnlyCollection<'T>
type SortedSet<'T> = class
    interface ISet<'T>
    interface ICollection<'T>
    interface seq<'T>
    interface ICollection
    interface IEnumerable
type SortedSet<'T> = class
    interface ISet<'T>
    interface ICollection<'T>
    interface ICollection
    interface ISerializable
    interface IDeserializationCallback
    interface IReadOnlyCollection<'T>
    interface seq<'T>
    interface IEnumerable
Public Class SortedSet(Of T)
Implements ICollection, ICollection(Of T), IEnumerable(Of T), IReadOnlyCollection(Of T), ISet(Of T)
Public Class SortedSet(Of T)
Implements ICollection, ICollection(Of T), IDeserializationCallback, IEnumerable(Of T), IReadOnlyCollection(Of T), IReadOnlySet(Of T), ISerializable, ISet(Of T)
Public Class SortedSet(Of T)
Implements ICollection, ICollection(Of T), IDeserializationCallback, IEnumerable(Of T), IReadOnlyCollection(Of T), ISerializable, ISet(Of T)
Public Class SortedSet(Of T)
Implements ICollection, ICollection(Of T), IDeserializationCallback, IEnumerable(Of T), ISerializable, ISet(Of T)
Public Class SortedSet(Of T)
Implements ICollection, ICollection(Of T), IEnumerable(Of T), ISet(Of T)

類型參數

T

資料集中項目的類型。The type of elements in the set.

繼承
SortedSet<T>
屬性
實作

範例

下列範例示範使用接受 IComparer<T> 做為參數的函式所建立的 SortedSet<T> 類別。The following example demonstrates a SortedSet<T> class that is created with the constructor that takes an IComparer<T> as a parameter. 這個比較子(ByFileExtension)是用來依副檔名排序檔案名清單。This comparer (ByFileExtension) is used to sort a list of file names by their extensions.

這個範例示範如何建立一組已排序的媒體檔案名、移除不必要的專案、查看某個範圍的專案,以及將該集合與另一個已排序的資料集進行比較。This example demonstrates how to create a sorted set of media file names, remove unwanted elements, view a range of elements, and compare the set with another sorted set.

using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;

class Program
{
    static void Main(string[] args)
    {
        try
        {
            // Get a list of the files to use for the sorted set.
            IEnumerable<string> files1 =
                Directory.EnumerateFiles(@"\\archives\2007\media",
                "*", SearchOption.AllDirectories);

            // Create a sorted set using the ByFileExtension comparer.
            var mediaFiles1 = new SortedSet<string>(new ByFileExtension());

            // Note that there is a SortedSet constructor that takes an IEnumerable,
            // but to remove the path information they must be added individually.
            foreach (string f in files1)
            {
                mediaFiles1.Add(f.Substring(f.LastIndexOf(@"\") + 1));
            }

            // Remove elements that have non-media extensions.
            // See the 'IsDoc' method.
            Console.WriteLine("Remove docs from the set...");
            Console.WriteLine($"\tCount before: {mediaFiles1.Count}");
            mediaFiles1.RemoveWhere(IsDoc);
            Console.WriteLine($"\tCount after: {mediaFiles1.Count}");

            Console.WriteLine();

            // List all the avi files.
            SortedSet<string> aviFiles = mediaFiles1.GetViewBetween("avi", "avj");

            Console.WriteLine("AVI files:");
            foreach (string avi in aviFiles)
            {
                Console.WriteLine($"\t{avi}");
            }

            Console.WriteLine();

            // Create another sorted set.
            IEnumerable<string> files2 =
                Directory.EnumerateFiles(@"\\archives\2008\media",
                    "*", SearchOption.AllDirectories);

            var mediaFiles2 = new SortedSet<string>(new ByFileExtension());

            foreach (string f in files2)
            {
                mediaFiles2.Add(f.Substring(f.LastIndexOf(@"\") + 1));
            }

            // Remove elements in mediaFiles1 that are also in mediaFiles2.
            Console.WriteLine("Remove duplicates (of mediaFiles2) from the set...");
            Console.WriteLine($"\tCount before: {mediaFiles1.Count}");
            mediaFiles1.ExceptWith(mediaFiles2);
            Console.WriteLine($"\tCount after: {mediaFiles1.Count}");

            Console.WriteLine();

            Console.WriteLine("List of mediaFiles1:");
            foreach (string f in mediaFiles1)
            {
                Console.WriteLine($"\t{f}");
            }

            // Create a set of the sets.
            IEqualityComparer<SortedSet<string>> comparer =
                SortedSet<string>.CreateSetComparer();

            var allMedia = new HashSet<SortedSet<string>>(comparer);
            allMedia.Add(mediaFiles1);
            allMedia.Add(mediaFiles2);
        }
        catch(IOException ioEx)
        {
            Console.WriteLine(ioEx.Message);
        }

        catch (UnauthorizedAccessException AuthEx)
        {
            Console.WriteLine(AuthEx.Message);
        }
    }

    // Defines a predicate delegate to use
    // for the SortedSet.RemoveWhere method.
    private static bool IsDoc(string s)
    {
        s = s.ToLower();
        return (s.EndsWith(".txt") ||
            s.EndsWith(".xls") ||
            s.EndsWith(".xlsx") ||
            s.EndsWith(".pdf") ||
            s.EndsWith(".doc") ||
            s.EndsWith(".docx"));
    }
}

// Defines a comparer to create a sorted set
// that is sorted by the file extensions.
public class ByFileExtension : IComparer<string>
{
    string xExt, yExt;

    CaseInsensitiveComparer caseiComp = new CaseInsensitiveComparer();

    public int Compare(string x, string y)
    {
        // Parse the extension from the file name.
        xExt = x.Substring(x.LastIndexOf(".") + 1);
        yExt = y.Substring(y.LastIndexOf(".") + 1);

        // Compare the file extensions.
        int vExt = caseiComp.Compare(xExt, yExt);
        if (vExt != 0)
        {
            return vExt;
        }
        else
        {
            // The extension is the same,
            // so compare the filenames.
            return caseiComp.Compare(x, y);
        }
    }
}
Imports System.Collections
Imports System.Collections.Generic
Imports System.IO

Module Module1

    Sub Main()
        Try
            ' Get a list of the files to use for the sorted set.
            Dim files1 As IEnumerable = _
                Directory.EnumerateFiles("\\archives\2007\media", "*", _
                                                          SearchOption.AllDirectories)
            ' Create a sorted set using the ByFileExtension comparer.
            Dim mediaFiles1 As New SortedSet(Of String)(New ByFileExtension)
        
            ' Note that there is a SortedSet constructor that takes an IEnumerable,
            ' but to remove the path information they must be added individually.
            For Each f As String In files1
                mediaFiles1.Add(f.Substring((f.LastIndexOf("\") + 1)))
            Next
            
            ' Remove elements that have non-media extensions. See the 'IsDoc' method.
            Console.WriteLine("Remove docs from the set...")
            Console.WriteLine($"{vbTab}Count before: {mediaFiles1.Count}")
            mediaFiles1.RemoveWhere(AddressOf IsDoc)
            Console.WriteLine($"{vbTab}Count after: {mediaFiles1.Count}")
        
            Console.WriteLine()
            
            ' List all the avi files.
            Dim aviFiles As SortedSet(Of String) = mediaFiles1.GetViewBetween("avi", "avj")
            Console.WriteLine("AVI files:")
            For Each avi As String In aviFiles
                Console.WriteLine($"{vbTab}{avi}")
            Next

            Console.WriteLine()

            ' Create another sorted set.
            Dim files2 As IEnumerable = _
                Directory.EnumerateFiles("\\archives\2008\media", "*", _
                                      SearchOption.AllDirectories)
            Dim mediaFiles2 As New SortedSet(Of String)(New ByFileExtension)
            For Each f As String In files2
                mediaFiles2.Add(f.Substring((f.LastIndexOf("\") + 1)))
            Next
            
            ' Remove elements in mediaFiles1 that are also in mediaFiles2.
            Console.WriteLine("Remove duplicates (of mediaFiles2) from the set...")
            Console.WriteLine($"{vbTab}Count before: {mediaFiles1.Count}")
            mediaFiles1.ExceptWith(mediaFiles2)
            Console.WriteLine($"{vbTab}Count after: {mediaFiles1.Count}")

            Console.WriteLine()

            Console.WriteLine("List of mediaFiles1:")
            For Each f As String In mediaFiles1
                Console.WriteLine($"{vbTab}{f}")
            Next
            
            ' Create a set of the sets.
            Dim comparer As IEqualityComparer(Of SortedSet(Of String)) = _
                SortedSet(Of String).CreateSetComparer()
            Dim allMedia As New HashSet(Of SortedSet(Of String))(comparer)
            allMedia.Add(mediaFiles1)
            allMedia.Add(mediaFiles2)

        Catch ioEx As IOException
            Console.WriteLine(ioEx.Message)
        Catch AuthEx As UnauthorizedAccessException
            Console.WriteLine(AuthEx.Message)
        End Try


    End Sub

    ' Defines a predicate delegate to use
    ' for the SortedSet.RemoveWhere method.
    Private Function IsDoc(s As String) As Boolean
        s = s.ToLower()
        Return s.EndsWith(".txt") OrElse 
                s.EndsWith(".doc") OrElse 
                s.EndsWith(".xls") OrElse
                s.EndsWith(".xlsx") OrElse
                s.EndsWith(".pdf") OrElse
                s.EndsWith(".doc") OrElse
                s.EndsWith(".docx")
    End Function
    
    ' Defines a comparer to create a sorted set
    ' that is sorted by the file extensions.
    Public Class ByFileExtension
        Implements IComparer(Of String)
        Dim xExt, yExt As String

        Dim caseiComp As CaseInsensitiveComparer = _
                            New CaseInsensitiveComparer
        Public Function Compare(x As String, y As String) _
            As Integer Implements IComparer(Of String).Compare
            ' Parse the extension from the file name.
            xExt = x.Substring(x.LastIndexOf(".") + 1)
            yExt = y.Substring(y.LastIndexOf(".") + 1)

            ' Compare the file extensions.
            Dim vExt As Integer = caseiComp.Compare(xExt, yExt)
            If vExt <> 0 Then
                Return vExt
            Else
                ' The extension is the same, 
                ' so compare the filenames. 
                Return caseiComp.Compare(x, y)
            End If
        End Function        
        
    End Class
End Module

備註

SortedSet<T> 物件會維持已排序的順序,而不會在插入和刪除元素時影響效能。A SortedSet<T> object maintains a sorted order without affecting performance as elements are inserted and deleted. 不允許重複的元素。Duplicate elements are not allowed. 不支援變更現有專案的排序值,而且可能會導致非預期的行為。Changing the sort values of existing items is not supported and may lead to unexpected behavior.

如需 SortedSet<T>的執行緒安全替代方式,請參閱 ImmutableSortedSet<T>For a thread safe alternative to SortedSet<T>, see ImmutableSortedSet<T>

建構函式

SortedSet<T>()

SortedSet<T> 類別的新執行個體初始化。Initializes a new instance of the SortedSet<T> class.

SortedSet<T>(IComparer<T>)

初始化 SortedSet<T> 類別的新執行個體,這個執行個體使用指定的比較子。Initializes a new instance of the SortedSet<T> class that uses a specified comparer.

SortedSet<T>(IEnumerable<T>)

初始化 SortedSet<T> 類別的新執行個體,這個執行個體包含從指定的可列舉集合複製的項目。Initializes a new instance of the SortedSet<T> class that contains elements copied from a specified enumerable collection.

SortedSet<T>(IEnumerable<T>, IComparer<T>)

初始化 SortedSet<T> 類別的新執行個體,這個執行個體包含從指定的可列舉集合複製的項目,而且使用指定的比較子。Initializes a new instance of the SortedSet<T> class that contains elements copied from a specified enumerable collection and that uses a specified comparer.

SortedSet<T>(SerializationInfo, StreamingContext)

初始化 SortedSet<T> 類別的新執行個體,這個執行個體包含序列化資料。Initializes a new instance of the SortedSet<T> class that contains serialized data.

屬性

Comparer

取得 IComparer<T> 物件,這個物件可用來排序 SortedSet<T> 中的值。Gets the IComparer<T> object that is used to order the values in the SortedSet<T>.

Count

取得 SortedSet<T> 中的項目數目。Gets the number of elements in the SortedSet<T>.

Max

取得 SortedSet<T> 中的最大值,如比較子所定義。Gets the maximum value in the SortedSet<T>, as defined by the comparer.

Min

取得 SortedSet<T> 中的最小值,如比較子所定義。Gets the minimum value in the SortedSet<T>, as defined by the comparer.

方法

Add(T)

將項目加入至資料集,並傳回表示是否成功加入的值。Adds an element to the set and returns a value that indicates if it was successfully added.

Clear()

從集合中移除所有元素。Removes all elements from the set.

Contains(T)

判斷資料集是否包含特定項目。Determines whether the set contains a specific element.

CopyTo(T[])

從目標陣列的開頭開始,將完整的 SortedSet<T> 複製到相容的一維陣列。Copies the complete SortedSet<T> to a compatible one-dimensional array, starting at the beginning of the target array.

CopyTo(T[], Int32)

從指定的陣列索引處開始,將完整的 SortedSet<T> 複製到相容的一維陣列中。Copies the complete SortedSet<T> to a compatible one-dimensional array, starting at the specified array index.

CopyTo(T[], Int32, Int32)

從指定的陣列索引處開始,將指定的項目數目從 SortedSet<T> 複製到相容的一維陣列。Copies a specified number of elements from SortedSet<T> to a compatible one-dimensional array, starting at the specified array index.

CreateSetComparer()

傳回 IEqualityComparer 物件,可以用於建立包含個別資料組的集合。Returns an IEqualityComparer object that can be used to create a collection that contains individual sets.

CreateSetComparer(IEqualityComparer<T>)

根據指定的比較子,傳回 IEqualityComparer 物件,這個物件可以用於建立包含個別資料集的集合。Returns an IEqualityComparer object, according to a specified comparer, that can be used to create a collection that contains individual sets.

Equals(Object)

判斷指定的物件是否等於目前的物件。Determines whether the specified object is equal to the current object.

(繼承來源 Object)
ExceptWith(IEnumerable<T>)

從目前的 SortedSet<T> 物件中,移除指定之集合內的所有項目。Removes all elements that are in a specified collection from the current SortedSet<T> object.

GetEnumerator()

傳回逐一查看 SortedSet<T> 的列舉值。Returns an enumerator that iterates through the SortedSet<T>.

GetHashCode()

做為預設雜湊函式。Serves as the default hash function.

(繼承來源 Object)
GetObjectData(SerializationInfo, StreamingContext)

實作 ISerializable 介面,並傳回序列化 SortedSet<T> 物件所必須具備的資料。Implements the ISerializable interface and returns the data that you must have to serialize a SortedSet<T> object.

GetType()

取得目前執行個體的 TypeGets the Type of the current instance.

(繼承來源 Object)
GetViewBetween(T, T)

傳回 SortedSet<T> 中資料子集的檢視。Returns a view of a subset in a SortedSet<T>.

IntersectWith(IEnumerable<T>)

修改目前的 SortedSet<T> 物件,使其僅包含同時也在指定之集合中出現的項目。Modifies the current SortedSet<T> object so that it contains only elements that are also in a specified collection.

IsProperSubsetOf(IEnumerable<T>)

判斷 SortedSet<T> 物件是否為指定之集合的真子集。Determines whether a SortedSet<T> object is a proper subset of the specified collection.

IsProperSupersetOf(IEnumerable<T>)

判斷 SortedSet<T> 物件是否為指定之集合的真超集。Determines whether a SortedSet<T> object is a proper superset of the specified collection.

IsSubsetOf(IEnumerable<T>)

判斷 SortedSet<T> 物件是否為指定之集合的子集。Determines whether a SortedSet<T> object is a subset of the specified collection.

IsSupersetOf(IEnumerable<T>)

判斷 SortedSet<T> 物件是否為指定之集合的超集。Determines whether a SortedSet<T> object is a superset of the specified collection.

MemberwiseClone()

建立目前 Object 的淺層複製。Creates a shallow copy of the current Object.

(繼承來源 Object)
OnDeserialization(Object)

實作 ISerializable 介面,並於還原序列化完成時,引發還原序列化事件。Implements the ISerializable interface, and raises the deserialization event when the deserialization is completed.

Overlaps(IEnumerable<T>)

判斷目前的 SortedSet<T> 物件與指定的集合是否共用通用項目。Determines whether the current SortedSet<T> object and a specified collection share common elements.

Remove(T)

SortedSet<T> 中移除指定項目。Removes a specified item from the SortedSet<T>.

RemoveWhere(Predicate<T>)

SortedSet<T> 中移除符合指定之述詞 (Predicate) 所定義條件的所有項目。Removes all elements that match the conditions defined by the specified predicate from a SortedSet<T>.

Reverse()

傳回以反向順序逐一查看 IEnumerable<T>SortedSet<T>Returns an IEnumerable<T> that iterates over the SortedSet<T> in reverse order.

SetEquals(IEnumerable<T>)

判斷目前的 SortedSet<T> 物件和指定的集合是否包含相同項目。Determines whether the current SortedSet<T> object and the specified collection contain the same elements.

SymmetricExceptWith(IEnumerable<T>)

修改目前的 SortedSet<T> 物件,使其僅包含目前物件或指定之集合 (但非兩者) 中出現的項目。Modifies the current SortedSet<T> object so that it contains only elements that are present either in the current object or in the specified collection, but not both.

ToString()

傳回代表目前物件的字串。Returns a string that represents the current object.

(繼承來源 Object)
TryGetValue(T, T)

搜尋指定值的資料集,並傳回所找到的相等值 (如果有的話)。Searches the set for a given value and returns the equal value it finds, if any.

UnionWith(IEnumerable<T>)

修改目前的 SortedSet<T> 物件,使其包含目前物件或指定之集合中出現的所有項目。Modifies the current SortedSet<T> object so that it contains all elements that are present in either the current object or the specified collection.

明確介面實作

ICollection.CopyTo(Array, Int32)

從指定的陣列索引處開始,將完整的 SortedSet<T> 複製到相容的一維陣列中。Copies the complete SortedSet<T> to a compatible one-dimensional array, starting at the specified array index.

ICollection.IsSynchronized

取得值,指出是否可同步存取 ICollection (安全執行緒)。Gets a value that indicates whether access to the ICollection is synchronized (thread safe).

ICollection.SyncRoot

取得可用來同步存取 ICollection 的物件。Gets an object that can be used to synchronize access to the ICollection.

ICollection<T>.Add(T)

將項目加入 ICollection<T> 物件。Adds an item to an ICollection<T> object.

ICollection<T>.IsReadOnly

取得值,這個值表示 ICollection 是否為唯讀。Gets a value that indicates whether a ICollection is read-only.

IDeserializationCallback.OnDeserialization(Object)

實作 IDeserializationCallback 介面,並於還原序列化完成時,引發還原序列化事件。Implements the IDeserializationCallback interface, and raises the deserialization event when the deserialization is completed.

IEnumerable.GetEnumerator()

傳回逐一查看集合的列舉值。Returns an enumerator that iterates through a collection.

IEnumerable<T>.GetEnumerator()

傳回逐一查看集合的列舉值。Returns an enumerator that iterates through a collection.

ISerializable.GetObjectData(SerializationInfo, StreamingContext)

實作 ISerializable 介面,並傳回序列化 SortedSet<T> 執行個體所需的資料。Implements the ISerializable interface, and returns the data that you need to serialize the SortedSet<T> instance.

擴充方法

ToImmutableArray<TSource>(IEnumerable<TSource>)

從指定的集合建立不可變的陣列。Creates an immutable array from the specified collection.

ToImmutableDictionary<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)

從現有的項目集合建構不可變的字典,將轉換函式套用至來源索引鍵。Constructs an immutable dictionary from an existing collection of elements, applying a transformation function to the source keys.

ToImmutableDictionary<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)

根據序列的某些轉換來建構不可變的字典。Constructs an immutable dictionary based on some transformation of a sequence.

ToImmutableDictionary<TSource,TKey,TValue>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TValue>)

列舉及轉換序列,並產生其內容的不可變字典。Enumerates and transforms a sequence, and produces an immutable dictionary of its contents.

ToImmutableDictionary<TSource,TKey,TValue>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TValue>, IEqualityComparer<TKey>)

列舉及轉換序列,並使用指定的索引鍵比較子產生其內容的不可變字典。Enumerates and transforms a sequence, and produces an immutable dictionary of its contents by using the specified key comparer.

ToImmutableDictionary<TSource,TKey,TValue>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TValue>, IEqualityComparer<TKey>, IEqualityComparer<TValue>)

列舉及轉換序列,並使用指定的索引鍵與值比較子產生其內容的不可變字典。Enumerates and transforms a sequence, and produces an immutable dictionary of its contents by using the specified key and value comparers.

ToImmutableHashSet<TSource>(IEnumerable<TSource>)

列舉序列,並產生其內容之不可變雜湊集。Enumerates a sequence and produces an immutable hash set of its contents.

ToImmutableHashSet<TSource>(IEnumerable<TSource>, IEqualityComparer<TSource>)

列舉序列、產生其內容之不可變雜湊集,且針對集合類型使用指定的相等比較子。Enumerates a sequence, produces an immutable hash set of its contents, and uses the specified equality comparer for the set type.

ToImmutableList<TSource>(IEnumerable<TSource>)

列舉序列,並產生其內容的不可變清單。Enumerates a sequence and produces an immutable list of its contents.

ToImmutableSortedDictionary<TSource,TKey,TValue>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TValue>)

列舉及轉換序列,並產生不可變的排序字典作為內容。Enumerates and transforms a sequence, and produces an immutable sorted dictionary of its contents.

ToImmutableSortedDictionary<TSource,TKey,TValue>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TValue>, IComparer<TKey>)

列舉及轉換序列,並使用指定的索引鍵比較子產生不可變的排序字典作為內容。Enumerates and transforms a sequence, and produces an immutable sorted dictionary of its contents by using the specified key comparer.

ToImmutableSortedDictionary<TSource,TKey,TValue>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TValue>, IComparer<TKey>, IEqualityComparer<TValue>)

列舉及轉換序列,並使用指定的索引鍵與值比較子產生不可變的排序字典作為內容。Enumerates and transforms a sequence, and produces an immutable sorted dictionary of its contents by using the specified key and value comparers.

ToImmutableSortedSet<TSource>(IEnumerable<TSource>)

列舉序列,並產生其內容的不可變排序資料集。Enumerates a sequence and produces an immutable sorted set of its contents.

ToImmutableSortedSet<TSource>(IEnumerable<TSource>, IComparer<TSource>)

列舉序列、產生其內容的不可變排序資料集,並使用指定的比較子。Enumerates a sequence, produces an immutable sorted set of its contents, and uses the specified comparer.

CopyToDataTable<T>(IEnumerable<T>)

根據輸入 DataTable 物件 (其中泛型參數 TDataRow) 傳回包含 IEnumerable<T> 物件複本的 DataRowReturns a DataTable that contains copies of the DataRow objects, given an input IEnumerable<T> object where the generic parameter T is DataRow.

CopyToDataTable<T>(IEnumerable<T>, DataTable, LoadOption)

根據輸入 DataRow 物件 (其中泛型參數 TDataTable),將 IEnumerable<T> 物件複製到指定的 DataRowCopies DataRow objects to the specified DataTable, given an input IEnumerable<T> object where the generic parameter T is DataRow.

CopyToDataTable<T>(IEnumerable<T>, DataTable, LoadOption, FillErrorEventHandler)

根據輸入 DataRow 物件 (其中泛型參數 TDataTable),將 IEnumerable<T> 物件複製到指定的 DataRowCopies DataRow objects to the specified DataTable, given an input IEnumerable<T> object where the generic parameter T is DataRow.

Aggregate<TSource>(IEnumerable<TSource>, Func<TSource,TSource,TSource>)

將累加函式套用到序列上。Applies an accumulator function over a sequence.

Aggregate<TSource,TAccumulate>(IEnumerable<TSource>, TAccumulate, Func<TAccumulate,TSource,TAccumulate>)

將累加函式套用到序列上。Applies an accumulator function over a sequence. 使用指定的初始值做為初始累加值。The specified seed value is used as the initial accumulator value.

Aggregate<TSource,TAccumulate,TResult>(IEnumerable<TSource>, TAccumulate, Func<TAccumulate,TSource,TAccumulate>, Func<TAccumulate,TResult>)

將累加函式套用到序列上。Applies an accumulator function over a sequence. 使用指定的值做為初始累加值,並使用指定的函式來選取結果值。The specified seed value is used as the initial accumulator value, and the specified function is used to select the result value.

All<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

判斷序列的所有項目是否全都符合條件。Determines whether all elements of a sequence satisfy a condition.

Any<TSource>(IEnumerable<TSource>)

判斷序列是否包含任何項目。Determines whether a sequence contains any elements.

Any<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

判斷序列的任何項目是否符合條件。Determines whether any element of a sequence satisfies a condition.

Append<TSource>(IEnumerable<TSource>, TSource)

將值附加在序列結尾。Appends a value to the end of the sequence.

AsEnumerable<TSource>(IEnumerable<TSource>)

傳回 IEnumerable<T> 類型的輸入。Returns the input typed as IEnumerable<T>.

Average<TSource>(IEnumerable<TSource>, Func<TSource,Decimal>)

計算在輸入序列中各項目上叫用轉換函式後所取得之 Decimal 值序列的平均值。Computes the average of a sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence.

Average<TSource>(IEnumerable<TSource>, Func<TSource,Double>)

計算在輸入序列中各項目上叫用轉換函式後所取得之 Double 值序列的平均值。Computes the average of a sequence of Double values that are obtained by invoking a transform function on each element of the input sequence.

Average<TSource>(IEnumerable<TSource>, Func<TSource,Int32>)

計算在輸入序列中各項目上叫用轉換函式後所取得之 Int32 值序列的平均值。Computes the average of a sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence.

Average<TSource>(IEnumerable<TSource>, Func<TSource,Int64>)

計算在輸入序列中各項目上叫用轉換函式後所取得之 Int64 值序列的平均值。Computes the average of a sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence.

Average<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Decimal>>)

計算在輸入序列中各項目上叫用轉換函式後所取得可為 Null 之 Decimal 值的平均值。Computes the average of a sequence of nullable Decimal values that are obtained by invoking a transform function on each element of the input sequence.

Average<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Double>>)

計算在輸入序列中各項目上叫用轉換函式後所取得可為 Null 之 Double 值的平均值。Computes the average of a sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence.

Average<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int32>>)

計算在輸入序列中各項目上叫用轉換函式後所取得可為 Null 之 Int32 值的平均值。Computes the average of a sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence.

Average<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int64>>)

計算在輸入序列中各項目上叫用轉換函式後所取得可為 Null 之 Int64 值的平均值。Computes the average of a sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence.

Average<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Single>>)

計算在輸入序列中各項目上叫用轉換函式後所取得可為 Null 之 Single 值的平均值。Computes the average of a sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence.

Average<TSource>(IEnumerable<TSource>, Func<TSource,Single>)

計算在輸入序列中各項目上叫用轉換函式後所取得之 Single 值序列的平均值。Computes the average of a sequence of Single values that are obtained by invoking a transform function on each element of the input sequence.

Cast<TResult>(IEnumerable)

IEnumerable 的項目轉換成指定的型別。Casts the elements of an IEnumerable to the specified type.

Concat<TSource>(IEnumerable<TSource>, IEnumerable<TSource>)

串連兩個序列。Concatenates two sequences.

Contains<TSource>(IEnumerable<TSource>, TSource)

使用預設的相等比較子 (Comparer) 來判斷序列是否包含指定的項目。Determines whether a sequence contains a specified element by using the default equality comparer.

Contains<TSource>(IEnumerable<TSource>, TSource, IEqualityComparer<TSource>)

使用指定的 IEqualityComparer<T> 來判斷序列是否包含指定的項目。Determines whether a sequence contains a specified element by using a specified IEqualityComparer<T>.

Count<TSource>(IEnumerable<TSource>)

傳回序列中的項目數。Returns the number of elements in a sequence.

Count<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

傳回數字,代表指定之序列中符合條件的項目數目。Returns a number that represents how many elements in the specified sequence satisfy a condition.

DefaultIfEmpty<TSource>(IEnumerable<TSource>)

傳回指定之序列的項目;如果序列是空的,則傳回單一集合中型別參數的預設值。Returns the elements of the specified sequence or the type parameter's default value in a singleton collection if the sequence is empty.

DefaultIfEmpty<TSource>(IEnumerable<TSource>, TSource)

傳回指定之序列的項目;如果序列是空的,則傳回單一集合中型別參數的預設值。Returns the elements of the specified sequence or the specified value in a singleton collection if the sequence is empty.

Distinct<TSource>(IEnumerable<TSource>)

使用預設的相等比較子來比較值,以便從序列傳回獨特的項目。Returns distinct elements from a sequence by using the default equality comparer to compare values.

Distinct<TSource>(IEnumerable<TSource>, IEqualityComparer<TSource>)

使用指定的 IEqualityComparer<T> 來比較值,以便從序列傳回獨特的項目。Returns distinct elements from a sequence by using a specified IEqualityComparer<T> to compare values.

ElementAt<TSource>(IEnumerable<TSource>, Int32)

傳回位於序列中指定索引處的項目。Returns the element at a specified index in a sequence.

ElementAtOrDefault<TSource>(IEnumerable<TSource>, Int32)

傳回位於序列中指定索引處的元素;如果索引超出範圍,則傳回預設值。Returns the element at a specified index in a sequence or a default value if the index is out of range.

Except<TSource>(IEnumerable<TSource>, IEnumerable<TSource>)

使用預設相等比較子來比較值,以便產生兩個序列的差異。Produces the set difference of two sequences by using the default equality comparer to compare values.

Except<TSource>(IEnumerable<TSource>, IEnumerable<TSource>, IEqualityComparer<TSource>)

使用指定的 IEqualityComparer<T> 來比較值,以便產生兩個序列的差異。Produces the set difference of two sequences by using the specified IEqualityComparer<T> to compare values.

First<TSource>(IEnumerable<TSource>)

傳回序列的第一個項目。Returns the first element of a sequence.

First<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

傳回序列中符合指定條件的第一個元素。Returns the first element in a sequence that satisfies a specified condition.

FirstOrDefault<TSource>(IEnumerable<TSource>)

傳回序列的第一個元素;如果序列中沒有包含任何元素,則傳回預設值。Returns the first element of a sequence, or a default value if the sequence contains no elements.

FirstOrDefault<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

傳回序列中符合條件的第一個元素;如果找不到這類元素,則傳回預設值。Returns the first element of the sequence that satisfies a condition or a default value if no such element is found.

GroupBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)

依據指定的索引鍵選擇器函式來群組序列的項目。Groups the elements of a sequence according to a specified key selector function.

GroupBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)

依據指定的索引鍵選取器函式來群組序列的項目,並使用指定的比較子來比較索引鍵。Groups the elements of a sequence according to a specified key selector function and compares the keys by using a specified comparer.

GroupBy<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>)

依據指定的索引鍵選取器函式來群組序列的項目,並使用指定的函式來投影每個群組的項目。Groups the elements of a sequence according to a specified key selector function and projects the elements for each group by using a specified function.

GroupBy<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, IEqualityComparer<TKey>)

依據索引鍵選取器函式來群組序列中的項目。Groups the elements of a sequence according to a key selector function. 索引鍵是使用比較子來進行比較,而每個群組的項目都是利用指定的函式進行投影。The keys are compared by using a comparer and each group's elements are projected by using a specified function.

GroupBy<TSource,TKey,TResult>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TKey,IEnumerable<TSource>,TResult>)

依據指定的索引鍵選取器函式來群組序列的項目,並從每個群組及其索引鍵建立結果值。Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key.

GroupBy<TSource,TKey,TResult>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TKey,IEnumerable<TSource>,TResult>, IEqualityComparer<TKey>)

依據指定的索引鍵選取器函式來群組序列的項目,並從每個群組及其索引鍵建立結果值。Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. 索引鍵是使用指定的比較子來進行比較。The keys are compared by using a specified comparer.

GroupBy<TSource,TKey,TElement,TResult>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, Func<TKey,IEnumerable<TElement>,TResult>)

依據指定的索引鍵選取器函式來群組序列的項目,並從每個群組及其索引鍵建立結果值。Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. 每個群組的項目都是利用指定的函式進行投影。The elements of each group are projected by using a specified function.

GroupBy<TSource,TKey,TElement,TResult>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, Func<TKey,IEnumerable<TElement>,TResult>, IEqualityComparer<TKey>)

依據指定的索引鍵選取器函式來群組序列的項目,並從每個群組及其索引鍵建立結果值。Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. 索引鍵值是使用指定的比較子來進行比較,而每個群組的項目則都是利用指定的函式進行投影。Key values are compared by using a specified comparer, and the elements of each group are projected by using a specified function.

GroupJoin<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,IEnumerable<TInner>,TResult>)

根據索引鍵相等與否,將兩個序列的項目相互關聯,並群組產生的結果。Correlates the elements of two sequences based on equality of keys and groups the results. 預設的相等比較子是用於比較索引鍵。The default equality comparer is used to compare keys.

GroupJoin<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,IEnumerable<TInner>,TResult>, IEqualityComparer<TKey>)

根據索引鍵相等與否,將兩個序列的項目相互關聯,並群組產生的結果。Correlates the elements of two sequences based on key equality and groups the results. 指定的 IEqualityComparer<T> 是用於比較索引鍵。A specified IEqualityComparer<T> is used to compare keys.

Intersect<TSource>(IEnumerable<TSource>, IEnumerable<TSource>)

使用預設相等比較子來比較值,以便產生兩個序列的交集。Produces the set intersection of two sequences by using the default equality comparer to compare values.

Intersect<TSource>(IEnumerable<TSource>, IEnumerable<TSource>, IEqualityComparer<TSource>)

使用指定的 IEqualityComparer<T> 來比較值,以便產生兩個序列的交集。Produces the set intersection of two sequences by using the specified IEqualityComparer<T> to compare values.

Join<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>)

根據相符索引鍵,將兩個序列的項目相互關聯。Correlates the elements of two sequences based on matching keys. 預設的相等比較子是用於比較索引鍵。The default equality comparer is used to compare keys.

Join<TOuter,TInner,TKey,TResult>(IEnumerable<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)

根據相符索引鍵,將兩個序列的項目相互關聯。Correlates the elements of two sequences based on matching keys. 指定的 IEqualityComparer<T> 是用於比較索引鍵。A specified IEqualityComparer<T> is used to compare keys.

Last<TSource>(IEnumerable<TSource>)

傳回序列的最後一個項目。Returns the last element of a sequence.

Last<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

傳回序列中符合指定之條件的最後一個元素。Returns the last element of a sequence that satisfies a specified condition.

LastOrDefault<TSource>(IEnumerable<TSource>)

傳回序列的最後一個元素;如果序列中沒有包含任何元素,則傳回預設值。Returns the last element of a sequence, or a default value if the sequence contains no elements.

LastOrDefault<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

傳回序列中符合條件的最後一個元素;如果找不到這類元素,則傳回預設值。Returns the last element of a sequence that satisfies a condition or a default value if no such element is found.

LongCount<TSource>(IEnumerable<TSource>)

傳回代表序列中項目總數的 Int64Returns an Int64 that represents the total number of elements in a sequence.

LongCount<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

傳回 Int64,其代表序列中符合條件的項目數目。Returns an Int64 that represents how many elements in a sequence satisfy a condition.

Max<TSource>(IEnumerable<TSource>)

傳回泛型序列中的最大值。Returns the maximum value in a generic sequence.

Max<TSource>(IEnumerable<TSource>, Func<TSource,Decimal>)

在序列的每個項目上叫用轉換函式,並傳回最大的 Decimal 值。Invokes a transform function on each element of a sequence and returns the maximum Decimal value.

Max<TSource>(IEnumerable<TSource>, Func<TSource,Double>)

在序列的每個項目上叫用轉換函式,並傳回最大的 Double 值。Invokes a transform function on each element of a sequence and returns the maximum Double value.

Max<TSource>(IEnumerable<TSource>, Func<TSource,Int32>)

在序列的每個項目上叫用轉換函式,並傳回最大的 Int32 值。Invokes a transform function on each element of a sequence and returns the maximum Int32 value.

Max<TSource>(IEnumerable<TSource>, Func<TSource,Int64>)

在序列的每個項目上叫用轉換函式,並傳回最大的 Int64 值。Invokes a transform function on each element of a sequence and returns the maximum Int64 value.

Max<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Decimal>>)

在序列的每個項目上叫用轉換函式,並傳回最大的可為 Null 之 Decimal 值。Invokes a transform function on each element of a sequence and returns the maximum nullable Decimal value.

Max<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Double>>)

在序列的每個項目上叫用轉換函式,並傳回最大的可為 Null 之 Double 值。Invokes a transform function on each element of a sequence and returns the maximum nullable Double value.

Max<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int32>>)

在序列的每個項目上叫用轉換函式,並傳回最大的可為 Null 之 Int32 值。Invokes a transform function on each element of a sequence and returns the maximum nullable Int32 value.

Max<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int64>>)

在序列的每個項目上叫用轉換函式,並傳回最大的可為 Null 之 Int64 值。Invokes a transform function on each element of a sequence and returns the maximum nullable Int64 value.

Max<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Single>>)

在序列的每個項目上叫用轉換函式,並傳回最大的可為 Null 之 Single 值。Invokes a transform function on each element of a sequence and returns the maximum nullable Single value.

Max<TSource>(IEnumerable<TSource>, Func<TSource,Single>)

在序列的每個項目上叫用轉換函式,並傳回最大的 Single 值。Invokes a transform function on each element of a sequence and returns the maximum Single value.

Max<TSource,TResult>(IEnumerable<TSource>, Func<TSource,TResult>)

在泛型序列的每個項目上叫用轉換函式,並傳回最大的結果值。Invokes a transform function on each element of a generic sequence and returns the maximum resulting value.

Min<TSource>(IEnumerable<TSource>)

傳回泛型序列中的最小值。Returns the minimum value in a generic sequence.

Min<TSource>(IEnumerable<TSource>, Func<TSource,Decimal>)

在序列的每個項目上叫用轉換函式,並傳回最小的 Decimal 值。Invokes a transform function on each element of a sequence and returns the minimum Decimal value.

Min<TSource>(IEnumerable<TSource>, Func<TSource,Double>)

在序列的每個項目上叫用轉換函式,並傳回最小的 Double 值。Invokes a transform function on each element of a sequence and returns the minimum Double value.

Min<TSource>(IEnumerable<TSource>, Func<TSource,Int32>)

在序列的每個項目上叫用轉換函式,並傳回最小的 Int32 值。Invokes a transform function on each element of a sequence and returns the minimum Int32 value.

Min<TSource>(IEnumerable<TSource>, Func<TSource,Int64>)

在序列的每個項目上叫用轉換函式,並傳回最小的 Int64 值。Invokes a transform function on each element of a sequence and returns the minimum Int64 value.

Min<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Decimal>>)

在序列的每個項目上叫用轉換函式,並傳回最小的可為 Null 之 Decimal 值。Invokes a transform function on each element of a sequence and returns the minimum nullable Decimal value.

Min<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Double>>)

在序列的每個項目上叫用轉換函式,並傳回最小的可為 Null 之 Double 值。Invokes a transform function on each element of a sequence and returns the minimum nullable Double value.

Min<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int32>>)

在序列的每個項目上叫用轉換函式,並傳回最小的可為 Null 之 Int32 值。Invokes a transform function on each element of a sequence and returns the minimum nullable Int32 value.

Min<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int64>>)

在序列的每個項目上叫用轉換函式,並傳回最小的可為 Null 之 Int64 值。Invokes a transform function on each element of a sequence and returns the minimum nullable Int64 value.

Min<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Single>>)

在序列的每個項目上叫用轉換函式,並傳回最小的可為 Null 之 Single 值。Invokes a transform function on each element of a sequence and returns the minimum nullable Single value.

Min<TSource>(IEnumerable<TSource>, Func<TSource,Single>)

在序列的每個項目上叫用轉換函式,並傳回最小的 Single 值。Invokes a transform function on each element of a sequence and returns the minimum Single value.

Min<TSource,TResult>(IEnumerable<TSource>, Func<TSource,TResult>)

在泛型序列的每個項目上叫用轉換函式,並傳回最小的結果值。Invokes a transform function on each element of a generic sequence and returns the minimum resulting value.

OfType<TResult>(IEnumerable)

根據指定的型別來篩選 IEnumerable 的項目。Filters the elements of an IEnumerable based on a specified type.

OrderBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)

依據索引鍵,按遞增順序排序序列中的項目。Sorts the elements of a sequence in ascending order according to a key.

OrderBy<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>)

使用指定的比較子,依遞增順序排序序列中的項目。Sorts the elements of a sequence in ascending order by using a specified comparer.

OrderByDescending<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)

依據索引鍵,按遞減順序排序序列中的項目。Sorts the elements of a sequence in descending order according to a key.

OrderByDescending<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>)

使用指定的比較子,依遞減順序排序序列中的項目。Sorts the elements of a sequence in descending order by using a specified comparer.

Prepend<TSource>(IEnumerable<TSource>, TSource)

將值新增至序列的開頭。Adds a value to the beginning of the sequence.

Reverse<TSource>(IEnumerable<TSource>)

反轉序列中項目的排序方向。Inverts the order of the elements in a sequence.

Select<TSource,TResult>(IEnumerable<TSource>, Func<TSource,TResult>)

將序列的每個元素規劃成一個新的表單。Projects each element of a sequence into a new form.

Select<TSource,TResult>(IEnumerable<TSource>, Func<TSource,Int32,TResult>)

透過加入項目的索引,將序列的每個項目投影成新的表單。Projects each element of a sequence into a new form by incorporating the element's index.

SelectMany<TSource,TResult>(IEnumerable<TSource>, Func<TSource,IEnumerable<TResult>>)

將序列的每個項目都投影成 IEnumerable<T>,並將產生的序列簡化成單一序列。Projects each element of a sequence to an IEnumerable<T> and flattens the resulting sequences into one sequence.

SelectMany<TSource,TResult>(IEnumerable<TSource>, Func<TSource,Int32,IEnumerable<TResult>>)

將序列的每個項目都投影成 IEnumerable<T>,並將產生的序列簡化成單一序列。Projects each element of a sequence to an IEnumerable<T>, and flattens the resulting sequences into one sequence. 各來源項目的索引是在該項目的投影表單中使用。The index of each source element is used in the projected form of that element.

SelectMany<TSource,TCollection,TResult>(IEnumerable<TSource>, Func<TSource,IEnumerable<TCollection>>, Func<TSource,TCollection,TResult>)

將序列的每個項目投影為 IEnumerable<T>、將產生的序列簡化成單一序列,並對其中的每個項目叫用結果選取器函式。Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one sequence, and invokes a result selector function on each element therein.

SelectMany<TSource,TCollection,TResult>(IEnumerable<TSource>, Func<TSource,Int32,IEnumerable<TCollection>>, Func<TSource,TCollection,TResult>)

將序列的每個項目投影為 IEnumerable<T>、將產生的序列簡化成單一序列,並對其中的每個項目叫用結果選取器函式。Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one sequence, and invokes a result selector function on each element therein. 各來源項目的索引是在該項目的中繼投影表單中使用。The index of each source element is used in the intermediate projected form of that element.

SequenceEqual<TSource>(IEnumerable<TSource>, IEnumerable<TSource>)

使用項目之型別的預設相等比較子來比較項目,以判斷兩個序列是否相等。Determines whether two sequences are equal by comparing the elements by using the default equality comparer for their type.

SequenceEqual<TSource>(IEnumerable<TSource>, IEnumerable<TSource>, IEqualityComparer<TSource>)

使用指定的 IEqualityComparer<T> 來比較項目,以判斷兩個序列是否相等。Determines whether two sequences are equal by comparing their elements by using a specified IEqualityComparer<T>.

Single<TSource>(IEnumerable<TSource>)

傳回序列的唯一一個元素,如果序列中不是正好一個元素,則擲回例外狀況。Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence.

Single<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

傳回序列中符合指定之條件的唯一一個元素,如果有一個以上這類元素,則擲回例外狀況。Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists.

SingleOrDefault<TSource>(IEnumerable<TSource>)

傳回序列的唯一一個項目,如果序列是空白,則為預設值,如果序列中有一個以上的項目,這個方法就會擲回例外狀況。Returns the only element of a sequence, or a default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence.

SingleOrDefault<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

傳回序列中符合指定之條件的唯一一個元素,如果沒有這類元素,則為預設值,如果有一個以上的元素符合條件,這個方法就會擲回例外狀況。Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.

Skip<TSource>(IEnumerable<TSource>, Int32)

略過序列中指定的項目數目,然後傳回其餘項目。Bypasses a specified number of elements in a sequence and then returns the remaining elements.

SkipLast<TSource>(IEnumerable<TSource>, Int32)

傳回新的可列舉集合,其包含已省略來源集合最後 count 元素的所有 source 元素。Returns a new enumerable collection that contains the elements from source with the last count elements of the source collection omitted.

SkipWhile<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

只要指定的條件為 true,便略過序列中的項目,然後傳回其餘項目。Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements.

SkipWhile<TSource>(IEnumerable<TSource>, Func<TSource,Int32,Boolean>)

只要指定的條件為 true,便略過序列中的項目,然後傳回其餘項目。Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. 項目的索引是用於述詞功能的邏輯中。The element's index is used in the logic of the predicate function.

Sum<TSource>(IEnumerable<TSource>, Func<TSource,Decimal>)

計算在輸入序列中各項目上叫用轉換函式後所取得之 Decimal 值序列的總和。Computes the sum of the sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence.

Sum<TSource>(IEnumerable<TSource>, Func<TSource,Double>)

計算在輸入序列中各項目上叫用轉換函式後所取得之 Double 值序列的總和。Computes the sum of the sequence of Double values that are obtained by invoking a transform function on each element of the input sequence.

Sum<TSource>(IEnumerable<TSource>, Func<TSource,Int32>)

計算在輸入序列中各項目上叫用轉換函式後所取得之 Int32 值序列的總和。Computes the sum of the sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence.

Sum<TSource>(IEnumerable<TSource>, Func<TSource,Int64>)

計算在輸入序列中各項目上叫用轉換函式後所取得之 Int64 值序列的總和。Computes the sum of the sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence.

Sum<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Decimal>>)

計算在輸入序列中各項目上叫用轉換函式後所取得可為 Null 之 Decimal 值的總和。Computes the sum of the sequence of nullable Decimal values that are obtained by invoking a transform function on each element of the input sequence.

Sum<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Double>>)

計算在輸入序列中各項目上叫用轉換函式後所取得可為 Null 之 Double 值的總和。Computes the sum of the sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence.

Sum<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int32>>)

計算在輸入序列中各項目上叫用轉換函式後所取得可為 Null 之 Int32 值的總和。Computes the sum of the sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence.

Sum<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Int64>>)

計算在輸入序列中各項目上叫用轉換函式後所取得可為 Null 之 Int64 值的總和。Computes the sum of the sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence.

Sum<TSource>(IEnumerable<TSource>, Func<TSource,Nullable<Single>>)

計算在輸入序列中各項目上叫用轉換函式後所取得可為 Null 之 Single 值的總和。Computes the sum of the sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence.

Sum<TSource>(IEnumerable<TSource>, Func<TSource,Single>)

計算在輸入序列中各項目上叫用轉換函式後所取得之 Single 值序列的總和。Computes the sum of the sequence of Single values that are obtained by invoking a transform function on each element of the input sequence.

Take<TSource>(IEnumerable<TSource>, Int32)

從序列開頭傳回指定的連續項目數目。Returns a specified number of contiguous elements from the start of a sequence.

TakeLast<TSource>(IEnumerable<TSource>, Int32)

傳回新的可列舉集合,其包含 source 的最後 count 元素。Returns a new enumerable collection that contains the last count elements from source.

TakeWhile<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

只要指定的條件為 true,就會傳回序列中的項目。Returns elements from a sequence as long as a specified condition is true.

TakeWhile<TSource>(IEnumerable<TSource>, Func<TSource,Int32,Boolean>)

只要指定的條件為 true,就會傳回序列中的項目。Returns elements from a sequence as long as a specified condition is true. 項目的索引是用於述詞功能的邏輯中。The element's index is used in the logic of the predicate function.

ToArray<TSource>(IEnumerable<TSource>)

IEnumerable<T> 建立陣列。Creates an array from a IEnumerable<T>.

ToDictionary<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)

根據指定的索引鍵選擇器函式,從 Dictionary<TKey,TValue> 建立 IEnumerable<T>Creates a Dictionary<TKey,TValue> from an IEnumerable<T> according to a specified key selector function.

ToDictionary<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)

根據指定的索引鍵選取器函式和索引鍵比較子,從 Dictionary<TKey,TValue> 建立 IEnumerable<T>Creates a Dictionary<TKey,TValue> from an IEnumerable<T> according to a specified key selector function and key comparer.

ToDictionary<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>)

根據指定的索引鍵選取器和項目選取器函式,從 Dictionary<TKey,TValue> 建立 IEnumerable<T>Creates a Dictionary<TKey,TValue> from an IEnumerable<T> according to specified key selector and element selector functions.

ToDictionary<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, IEqualityComparer<TKey>)

根據指定的索引鍵選取器函式、比較子和項目選取器函式,從 Dictionary<TKey,TValue> 建立 IEnumerable<T>Creates a Dictionary<TKey,TValue> from an IEnumerable<T> according to a specified key selector function, a comparer, and an element selector function.

ToHashSet<TSource>(IEnumerable<TSource>)

IEnumerable<T> 建立 HashSet<T>Creates a HashSet<T> from an IEnumerable<T>.

ToHashSet<TSource>(IEnumerable<TSource>, IEqualityComparer<TSource>)

使用比較金鑰的 comparerIEnumerable<T> 建立 HashSet<T>Creates a HashSet<T> from an IEnumerable<T> using the comparer to compare keys.

ToList<TSource>(IEnumerable<TSource>)

IEnumerable<T> 建立 List<T>Creates a List<T> from an IEnumerable<T>.

ToLookup<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>)

根據指定的索引鍵選擇器函式,從 Lookup<TKey,TElement> 建立 IEnumerable<T>Creates a Lookup<TKey,TElement> from an IEnumerable<T> according to a specified key selector function.

ToLookup<TSource,TKey>(IEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)

根據指定的索引鍵選取器函式和索引鍵比較子,從 Lookup<TKey,TElement> 建立 IEnumerable<T>Creates a Lookup<TKey,TElement> from an IEnumerable<T> according to a specified key selector function and key comparer.

ToLookup<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>)

根據指定的索引鍵選取器和項目選取器函式,從 Lookup<TKey,TElement> 建立 IEnumerable<T>Creates a Lookup<TKey,TElement> from an IEnumerable<T> according to specified key selector and element selector functions.

ToLookup<TSource,TKey,TElement>(IEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, IEqualityComparer<TKey>)

根據指定的索引鍵選取器函式、比較子和項目選取器函式,從 Lookup<TKey,TElement> 建立 IEnumerable<T>Creates a Lookup<TKey,TElement> from an IEnumerable<T> according to a specified key selector function, a comparer and an element selector function.

Union<TSource>(IEnumerable<TSource>, IEnumerable<TSource>)

使用預設相等比較值來比較值,以便產生兩個序列的集合等位。Produces the set union of two sequences by using the default equality comparer.

Union<TSource>(IEnumerable<TSource>, IEnumerable<TSource>, IEqualityComparer<TSource>)

使用指定的 IEqualityComparer<T> 產生兩個序列的集合等位。Produces the set union of two sequences by using a specified IEqualityComparer<T>.

Where<TSource>(IEnumerable<TSource>, Func<TSource,Boolean>)

根據述詞來篩選值序列。Filters a sequence of values based on a predicate.

Where<TSource>(IEnumerable<TSource>, Func<TSource,Int32,Boolean>)

根據述詞來篩選值序列。Filters a sequence of values based on a predicate. 述詞函式的邏輯中使用各項目的索引。Each element's index is used in the logic of the predicate function.

Zip<TFirst,TSecond>(IEnumerable<TFirst>, IEnumerable<TSecond>)

從兩個指定序列中的元素產生一系列元組。Produces a sequence of tuples with elements from the two specified sequences.

Zip<TFirst,TSecond,TResult>(IEnumerable<TFirst>, IEnumerable<TSecond>, Func<TFirst,TSecond,TResult>)

將指定的函式套用至兩個序列的對應項目,產生結果的序列。Applies a specified function to the corresponding elements of two sequences, producing a sequence of the results.

AsParallel(IEnumerable)

啟用查詢的平行化作業。Enables parallelization of a query.

AsParallel<TSource>(IEnumerable<TSource>)

啟用查詢的平行化作業。Enables parallelization of a query.

AsQueryable(IEnumerable)

IEnumerable 轉換成 IQueryableConverts an IEnumerable to an IQueryable.

AsQueryable<TElement>(IEnumerable<TElement>)

將泛型 IEnumerable<T> 轉換成泛型 IQueryable<T>Converts a generic IEnumerable<T> to a generic IQueryable<T>.

Ancestors<T>(IEnumerable<T>)

傳回包含來源集合中每個節點祖系的項目集合。Returns a collection of elements that contains the ancestors of every node in the source collection.

Ancestors<T>(IEnumerable<T>, XName)

傳回包含來源集合中每個節點祖系的已篩選項目集合。Returns a filtered collection of elements that contains the ancestors of every node in the source collection. 集合中只會包含具有相符之 XName 的項目。Only elements that have a matching XName are included in the collection.

DescendantNodes<T>(IEnumerable<T>)

傳回來源集合中每個文件和項目之子代節點的集合。Returns a collection of the descendant nodes of every document and element in the source collection.

Descendants<T>(IEnumerable<T>)

傳回包含來源集合中每個項目和文件之子代項目的項目集合。Returns a collection of elements that contains the descendant elements of every element and document in the source collection.

Descendants<T>(IEnumerable<T>, XName)

傳回已篩選的項目集合,其中包含來源集合中每個項目和文件的子代項目。Returns a filtered collection of elements that contains the descendant elements of every element and document in the source collection. 集合中只會包含具有相符之 XName 的項目。Only elements that have a matching XName are included in the collection.

Elements<T>(IEnumerable<T>)

傳回來源集合中每個項目和文件的子項目集合。Returns a collection of the child elements of every element and document in the source collection.

Elements<T>(IEnumerable<T>, XName)

傳回來源集合中每個項目和文件的已篩選子項目集合。Returns a filtered collection of the child elements of every element and document in the source collection. 集合中只會包含具有相符之 XName 的項目。Only elements that have a matching XName are included in the collection.

InDocumentOrder<T>(IEnumerable<T>)

傳回包含來源集合中所有節點的節點集合,依據文件順序來排序。Returns a collection of nodes that contains all nodes in the source collection, sorted in document order.

Nodes<T>(IEnumerable<T>)

傳回來源集合中每個文件和項目的子節點集合。Returns a collection of the child nodes of every document and element in the source collection.

Remove<T>(IEnumerable<T>)

在來源集合中,從每一個節點的父節點移除這些節點。Removes every node in the source collection from its parent node.

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