PropertyValueCollection PropertyValueCollection PropertyValueCollection PropertyValueCollection Class

定义

封装 PropertyValue 实例的集合,并且用于其 Type 为集合的属性。Encapsulates a collection of PropertyValue instances and is used for properties whose Type is a collection.

public ref class PropertyValueCollection abstract : System::Collections::Generic::IEnumerable<System::Activities::Presentation::PropertyEditing::PropertyValue ^>, System::Collections::Specialized::INotifyCollectionChanged
public abstract class PropertyValueCollection : System.Collections.Generic.IEnumerable<System.Activities.Presentation.PropertyEditing.PropertyValue>, System.Collections.Specialized.INotifyCollectionChanged
type PropertyValueCollection = class
    interface seq<PropertyValue>
    interface IEnumerable
    interface INotifyCollectionChanged
Public MustInherit Class PropertyValueCollection
Implements IEnumerable(Of PropertyValue), INotifyCollectionChanged
继承
PropertyValueCollectionPropertyValueCollectionPropertyValueCollectionPropertyValueCollection
实现

构造函数

PropertyValueCollection(PropertyValue) PropertyValueCollection(PropertyValue) PropertyValueCollection(PropertyValue) PropertyValueCollection(PropertyValue)

初始化 PropertyValueCollection 类的新实例,该类用作指定的父对象 PropertyValue 的子属性。Initializes a new instance of the PropertyValueCollection class as a sub-property to the specified parent PropertyValue.

属性

Count Count Count Count

获取 PropertyValue 对象集合中的项数。Gets the number of items in a collection of PropertyValue objects.

Item[Int32] Item[Int32] Item[Int32] Item[Int32]

返回给定索引处集合中 PropertyValueReturns a PropertyValue from a collection at the given index.

ParentValue ParentValue ParentValue ParentValue

获取包含该集合的父 PropertyValue 对象。Gets the parent PropertyValue object that contains the collection.

方法

Add(Object) Add(Object) Add(Object) Add(Object)

PropertyValue 对象的集合中添加对象。Adds an object into the collection of PropertyValue objects.

Equals(Object) Equals(Object) Equals(Object) Equals(Object)

确定指定的对象是否等于当前对象。Determines whether the specified object is equal to the current object.

(Inherited from Object)
GetEnumerator() GetEnumerator() GetEnumerator() GetEnumerator()

返回强类型化的 IEnumerator,它循环访问 PropertyValue 对象的集合。Returns a strongly typed IEnumerator that iterates through the collection of PropertyValue objects.

GetHashCode() GetHashCode() GetHashCode() GetHashCode()

作为默认哈希函数。Serves as the default hash function.

(Inherited from Object)
GetType() GetType() GetType() GetType()

获取当前实例的 TypeGets the Type of the current instance.

(Inherited from Object)
Insert(Object, Int32) Insert(Object, Int32) Insert(Object, Int32) Insert(Object, Int32)

PropertyValue 对象集合的指定索引处插入指定对象。Inserts a specified object at the specified index in a collection of PropertyValue objects.

MemberwiseClone() MemberwiseClone() MemberwiseClone() MemberwiseClone()

创建当前 Object 的浅表副本。Creates a shallow copy of the current Object.

(Inherited from Object)
OnCollectionChanged(NotifyCollectionChangedEventArgs) OnCollectionChanged(NotifyCollectionChangedEventArgs) OnCollectionChanged(NotifyCollectionChangedEventArgs) OnCollectionChanged(NotifyCollectionChangedEventArgs)

在添加、移除或重新排列集合中的项时引发 CollectionChanged 事件。Raises the CollectionChanged event when items in the collection are added, removed, or resorted.

Remove(PropertyValue) Remove(PropertyValue) Remove(PropertyValue) Remove(PropertyValue)

PropertyValue 对象的集合中移除对象。Removes the object from the collection of PropertyValue objects.

RemoveAt(Int32) RemoveAt(Int32) RemoveAt(Int32) RemoveAt(Int32)

PropertyValue 对象集合中的指定索引处移除对象。Removes the object from the collection of PropertyValue objects at the specified index.

SetIndex(Int32, Int32) SetIndex(Int32, Int32) SetIndex(Int32, Int32) SetIndex(Int32, Int32)

在将集合中的现有项移到新位置之后,重新计算 PropertyValue 对象集合中的索引。Recalculates the indexes in a collection of PropertyValue objects after an existing item is moved to a new position in the collection.

ToString() ToString() ToString() ToString()

返回表示当前对象的字符串。Returns a string that represents the current object.

(Inherited from Object)

事件

CollectionChanged CollectionChanged CollectionChanged CollectionChanged

向侦听器通知集合的动态更改,例如在添加项、移除项或刷新整个列表时。Notifies listeners of dynamic changes to the collection, such as when items get added and removed or the whole list is refreshed.

显式界面实现

IEnumerable.GetEnumerator() IEnumerable.GetEnumerator() IEnumerable.GetEnumerator() IEnumerable.GetEnumerator()

IEnumerator 对象的集合返回强类型化的 PropertyValueReturns a strongly typed IEnumerator for a collection of PropertyValue objects.

扩展方法

CopyToDataTable<T>(IEnumerable<T>) CopyToDataTable<T>(IEnumerable<T>) CopyToDataTable<T>(IEnumerable<T>) CopyToDataTable<T>(IEnumerable<T>)

在给定其泛型参数 TDataTable 的输入 DataRow 对象的情况下,返回包含 IEnumerable<T> 对象副本的 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) CopyToDataTable<T>(IEnumerable<T>, DataTable, LoadOption) CopyToDataTable<T>(IEnumerable<T>, DataTable, LoadOption) CopyToDataTable<T>(IEnumerable<T>, DataTable, LoadOption)

在给定其泛型参数 TDataRow 的输入 DataTable 对象的情况下,将 IEnumerable<T> 对象复制到指定的 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) CopyToDataTable<T>(IEnumerable<T>, DataTable, LoadOption, FillErrorEventHandler) CopyToDataTable<T>(IEnumerable<T>, DataTable, LoadOption, FillErrorEventHandler) CopyToDataTable<T>(IEnumerable<T>, DataTable, LoadOption, FillErrorEventHandler)

在给定其泛型参数 TDataRow 的输入 DataTable 对象的情况下,将 IEnumerable<T> 对象复制到指定的 DataRowCopies DataRow objects to the specified DataTable, given an input IEnumerable<T> object where the generic parameter T is DataRow.

Cast<TResult>(IEnumerable) Cast<TResult>(IEnumerable) Cast<TResult>(IEnumerable) Cast<TResult>(IEnumerable)

IEnumerable 的元素强制转换为指定的类型。Casts the elements of an IEnumerable to the specified type.

OfType<TResult>(IEnumerable) OfType<TResult>(IEnumerable) OfType<TResult>(IEnumerable) OfType<TResult>(IEnumerable)

根据指定类型筛选 IEnumerable 的元素。Filters the elements of an IEnumerable based on a specified type.

AsParallel(IEnumerable) AsParallel(IEnumerable) AsParallel(IEnumerable) AsParallel(IEnumerable)

启用查询的并行化。Enables parallelization of a query.

AsQueryable(IEnumerable) AsQueryable(IEnumerable) AsQueryable(IEnumerable) AsQueryable(IEnumerable)

IEnumerable 转换为 IQueryableConverts an IEnumerable to an IQueryable.

Ancestors<T>(IEnumerable<T>) Ancestors<T>(IEnumerable<T>) Ancestors<T>(IEnumerable<T>) Ancestors<T>(IEnumerable<T>)

返回元素集合,其中包含源集合中每个节点的上级。Returns a collection of elements that contains the ancestors of every node in the source collection.

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

返回经过筛选的元素集合,其中包含源集合中每个节点的上级。Returns a filtered collection of elements that contains the ancestors of every node in the source collection. 集合中仅包括具有匹配 XName 的元素。Only elements that have a matching XName are included in the collection.

DescendantNodes<T>(IEnumerable<T>) DescendantNodes<T>(IEnumerable<T>) DescendantNodes<T>(IEnumerable<T>) DescendantNodes<T>(IEnumerable<T>)

返回源集合中每个文档和元素的子代节点的集合。Returns a collection of the descendant nodes of every document and element in the source collection.

Descendants<T>(IEnumerable<T>) Descendants<T>(IEnumerable<T>) Descendants<T>(IEnumerable<T>) Descendants<T>(IEnumerable<T>)

返回元素集合,其中包含源集合中每个元素和文档的子代元素。Returns a collection of elements that contains the descendant elements of every element and document in the source collection.

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

返回经过筛选的元素集合,其中包含源集合中每个元素和文档的子代元素。Returns a filtered collection of elements that contains the descendant elements of every element and document in the source collection. 集合中仅包括具有匹配 XName 的元素。Only elements that have a matching XName are included in the collection.

Elements<T>(IEnumerable<T>) Elements<T>(IEnumerable<T>) Elements<T>(IEnumerable<T>) Elements<T>(IEnumerable<T>)

返回源集合中每个元素和文档的子元素的集合。Returns a collection of the child elements of every element and document in the source collection.

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

返回源集合中经过筛选的每个元素和文档的子元素集合。Returns a filtered collection of the child elements of every element and document in the source collection. 集合中仅包括具有匹配 XName 的元素。Only elements that have a matching XName are included in the collection.

InDocumentOrder<T>(IEnumerable<T>) InDocumentOrder<T>(IEnumerable<T>) InDocumentOrder<T>(IEnumerable<T>) InDocumentOrder<T>(IEnumerable<T>)

返回节点集合(其中包含源集合中的所有节点),并按文档顺序排列。Returns a collection of nodes that contains all nodes in the source collection, sorted in document order.

Nodes<T>(IEnumerable<T>) Nodes<T>(IEnumerable<T>) Nodes<T>(IEnumerable<T>) Nodes<T>(IEnumerable<T>)

返回源集合中每个文档和元素的子节点集合。Returns a collection of the child nodes of every document and element in the source collection.

Remove<T>(IEnumerable<T>) Remove<T>(IEnumerable<T>) Remove<T>(IEnumerable<T>) Remove<T>(IEnumerable<T>)

将源集合中的每个节点从其父节点中移除。Removes every node in the source collection from its parent node.

适用于