EncryptionPropertyCollection EncryptionPropertyCollection EncryptionPropertyCollection EncryptionPropertyCollection Class

定義

XML 暗号化に使用される EncryptionProperty クラスのコレクションを表します。Represents a collection of EncryptionProperty classes used in XML encryption. このクラスは継承できません。This class cannot be inherited.

public ref class EncryptionPropertyCollection sealed : System::Collections::IList
public sealed class EncryptionPropertyCollection : System.Collections.IList
type EncryptionPropertyCollection = class
    interface IList
    interface ICollection
    interface IEnumerable
Public NotInheritable Class EncryptionPropertyCollection
Implements IList
継承
EncryptionPropertyCollectionEncryptionPropertyCollectionEncryptionPropertyCollectionEncryptionPropertyCollection
実装

次のコード例では、XML ドキュメントの暗号化と復号化を行います。The following code example encrypts and decrypts an XML document. このコード例ではEncryptionPropertyEncryptedKey EncryptionProperty要素に関するカスタム情報を格納するオブジェクトを作成し、そのEncryptionPropertyCollectionオブジェクトをEncryptedXmlクラスのコレクションに追加します。This code example creates an EncryptionProperty object that contains custom information about the EncryptedKey element, and adds the EncryptionProperty object to the EncryptionPropertyCollection collection of the EncryptedXml class. 最後に、このコード例ではEncryptionProperty 、オブジェクトEncryptionPropertyCollectionとコレクションに関する情報を表示します。Finally, this code example displays information about the EncryptionProperty object and the EncryptionPropertyCollection collection.

using System;
using System.Xml;
using System.Security.Cryptography;
using System.Security.Cryptography.Xml;

class Program
{
    static void Main(string[] args)
    {

        // Create an XmlDocument object.
        XmlDocument xmlDoc = new XmlDocument();

        // Load an XML file into the XmlDocument object.
        try
        {
            xmlDoc.PreserveWhitespace = true;
            xmlDoc.Load("test.xml");
        }
        catch (Exception e)
        {
            Console.WriteLine(e.Message);
        }

        // Create a new RSA key.  This key will encrypt a symmetric key,
        // which will then be imbedded in the XML document.  
        RSA rsaKey = new RSACryptoServiceProvider();


        try
        {
            // Encrypt the "creditcard" element.
            Encrypt(xmlDoc, "creditcard", rsaKey, "rsaKey");

            // Inspect the EncryptedKey element.
            InspectElement(xmlDoc);

            // Decrypt the "creditcard" element.
            Decrypt(xmlDoc, rsaKey, "rsaKey");

        }
        catch (Exception e)
        {
            Console.WriteLine(e.Message);
        }
        finally
        {
            // Clear the RSA key.
            rsaKey.Clear();
        }

    }

    public static void Encrypt(XmlDocument Doc, string ElementToEncrypt, RSA Alg, string KeyName)
    {
        // Check the arguments.  
        if (Doc == null)
            throw new ArgumentNullException("Doc");
        if (ElementToEncrypt == null)
            throw new ArgumentNullException("ElementToEncrypt");
        if (Alg == null)
            throw new ArgumentNullException("Alg");

        ////////////////////////////////////////////////
        // Find the specified element in the XmlDocument
        // object and create a new XmlElemnt object.
        ////////////////////////////////////////////////

        XmlElement elementToEncrypt = Doc.GetElementsByTagName(ElementToEncrypt)[0] as XmlElement;

        // Throw an XmlException if the element was not found.
        if (elementToEncrypt == null)
        {
            throw new XmlException("The specified element was not found");

        }

        //////////////////////////////////////////////////
        // Create a new instance of the EncryptedXml class 
        // and use it to encrypt the XmlElement with the 
        // a new random symmetric key.
        //////////////////////////////////////////////////

        // Create a 256 bit Rijndael key.
        RijndaelManaged sessionKey = new RijndaelManaged();
        sessionKey.KeySize = 256;

        EncryptedXml eXml = new EncryptedXml();

        byte[] encryptedElement = eXml.EncryptData(elementToEncrypt, sessionKey, false);

        ////////////////////////////////////////////////
        // Construct an EncryptedData object and populate
        // it with the desired encryption information.
        ////////////////////////////////////////////////


        EncryptedData edElement = new EncryptedData();
        edElement.Type = EncryptedXml.XmlEncElementUrl;

        // Create an EncryptionMethod element so that the 
        // receiver knows which algorithm to use for decryption.

        edElement.EncryptionMethod = new EncryptionMethod(EncryptedXml.XmlEncAES256Url);

        // Encrypt the session key and add it to an EncryptedKey element.
        EncryptedKey ek = new EncryptedKey();

        byte[] encryptedKey = EncryptedXml.EncryptKey(sessionKey.Key, Alg, false);

        ek.CipherData = new CipherData(encryptedKey);

        ek.EncryptionMethod = new EncryptionMethod(EncryptedXml.XmlEncRSA15Url);

        // Save some more information about the key using
        // the EncryptionProperty element.  In this example,
        // we will save the value "LibVersion1".  You can save
        // anything you want here.

        // Create a new "EncryptionProperty" XmlElement object. 
        XmlElement element =  new XmlDocument().CreateElement("EncryptionProperty", EncryptedXml.XmlEncNamespaceUrl);

        // Set the value of the EncryptionProperty" XmlElement object.
        element.InnerText = "LibVersion1";

        // Create the EncryptionProperty object using the XmlElement object. 
        EncryptionProperty encProp = new EncryptionProperty(element);

        // Add the EncryptionProperty object to the EncryptedData object.
        edElement.AddProperty(encProp);

        // Set the KeyInfo element to specify the
        // name of the RSA key.

        // Create a new KeyInfo element.
        edElement.KeyInfo = new KeyInfo();

        // Create a new KeyInfoName element.
        KeyInfoName kin = new KeyInfoName();

        // Specify a name for the key.
        kin.Value = KeyName;

        // Add the KeyInfoName element to the 
        // EncryptedKey object.
        ek.KeyInfo.AddClause(kin);

        // Add the encrypted key to the 
        // EncryptedData object.

        edElement.KeyInfo.AddClause(new KeyInfoEncryptedKey(ek));

        // Add the encrypted element data to the 
        // EncryptedData object.
        edElement.CipherData.CipherValue = encryptedElement;

        ////////////////////////////////////////////////////
        // Replace the element from the original XmlDocument
        // object with the EncryptedData element.
        ////////////////////////////////////////////////////

        EncryptedXml.ReplaceElement(elementToEncrypt, edElement, false);

    }

    public static void Decrypt(XmlDocument Doc, RSA Alg, string KeyName)
    {
        // Check the arguments.  
        if (Doc == null)
            throw new ArgumentNullException("Doc");
        if (Alg == null)
            throw new ArgumentNullException("Alg");
        if (KeyName == null)
            throw new ArgumentNullException("KeyName");

        // Create a new EncryptedXml object.
        EncryptedXml exml = new EncryptedXml(Doc);

        // Add a key-name mapping.
        // This method can only decrypt documents
        // that present the specified key name.
        exml.AddKeyNameMapping(KeyName, Alg);

        // Decrypt the element.
        exml.DecryptDocument();

    }

    static void InspectElement(XmlDocument Doc)
    {
        // Get the EncryptedData element from the XMLDocument object.
        XmlElement encryptedData = Doc.GetElementsByTagName("EncryptedData")[0] as XmlElement;

        // Create a new EncryptedData object.
        EncryptedData encData = new EncryptedData();

        // Load the XML from the document to
        // initialize the EncryptedData object.
        encData.LoadXml(encryptedData);

        // Display the properties.
        // Most values are Null by default.

        Console.WriteLine("EncryptedData.CipherData: " + encData.CipherData.GetXml().InnerXml);
        Console.WriteLine("EncryptedData.Encoding: " + encData.Encoding);
        Console.WriteLine("EncryptedData.EncryptionMethod: " + encData.EncryptionMethod.GetXml().InnerXml);

        EncryptionPropertyCollection encPropCollection = encData.EncryptionProperties;

        Console.WriteLine("Number of elements in the EncryptionPropertyCollection: " + encPropCollection.Count);
        //encPropCollection.

        foreach(EncryptionProperty encProp in encPropCollection)
        {
                Console.WriteLine("EncryptionProperty.ID: " + encProp.Id);
                Console.WriteLine("EncryptionProperty.PropertyElement: " + encProp.PropertyElement.InnerXml);
                Console.WriteLine("EncryptionProperty.Target: " + encProp.Target);
                 
        }

    

        Console.WriteLine("EncryptedData.Id: " + encData.Id);
        Console.WriteLine("EncryptedData.KeyInfo: " + encData.KeyInfo.GetXml().InnerXml);
        Console.WriteLine("EncryptedData.MimeType: " + encData.MimeType);
    }

}
Imports System.Xml
Imports System.Security.Cryptography
Imports System.Security.Cryptography.Xml



Module Program

    Sub Main(ByVal args() As String)

        ' Create an XmlDocument object.
        Dim xmlDoc As New XmlDocument()

        ' Load an XML file into the XmlDocument object.
        Try
            xmlDoc.PreserveWhitespace = True
            xmlDoc.Load("test.xml")
        Catch e As Exception
            Console.WriteLine(e.Message)
        End Try

        ' Create a new RSA key.  This key will encrypt a symmetric key,
        ' which will then be imbedded in the XML document.  
        Dim rsaKey As New RSACryptoServiceProvider()


        Try
            ' Encrypt the "creditcard" element.
            Encrypt(xmlDoc, "creditcard", rsaKey, "rsaKey")

            ' Inspect the EncryptedKey element.
            InspectElement(xmlDoc)

            ' Decrypt the "creditcard" element.
            Decrypt(xmlDoc, rsaKey, "rsaKey")

        Catch e As Exception
            Console.WriteLine(e.Message)
        Finally
            ' Clear the RSA key.
            rsaKey.Clear()
        End Try

    End Sub


    Sub Encrypt(ByVal Doc As XmlDocument, ByVal ElementToEncryptValue As String, ByVal Alg As RSA, ByVal KeyName As String)
        ' Check the arguments.  
        If Doc Is Nothing Then
            Throw New ArgumentNullException("Doc")
        End If
        If ElementToEncryptValue Is Nothing Then
            Throw New ArgumentNullException("ElementToEncrypt")
        End If
        If Alg Is Nothing Then
            Throw New ArgumentNullException("Alg")
        End If
        ''''''''''''''''''''''''''''''''''''''''''''''''''
        ' Find the specified element in the XmlDocument
        ' object and create a new XmlElemnt object.
        ''''''''''''''''''''''''''''''''''''''''''''''''''
        Dim elementToEncrypt As XmlElement = Doc.GetElementsByTagName(ElementToEncryptValue)(0)

        ' Throw an XmlException if the element was not found.
        If elementToEncrypt Is Nothing Then
            Throw New XmlException("The specified element was not found")
        End If

        ''''''''''''''''''''''''''''''''''''''''''''''''''
        ' Create a new instance of the EncryptedXml class 
        ' and use it to encrypt the XmlElement with the 
        ' a new random symmetric key.
        ''''''''''''''''''''''''''''''''''''''''''''''''''
        ' Create a 256 bit Rijndael key.
        Dim sessionKey As New RijndaelManaged()
        sessionKey.KeySize = 256

        Dim eXml As New EncryptedXml()

        Dim encryptedElement As Byte() = eXml.EncryptData(elementToEncrypt, sessionKey, False)

        ''''''''''''''''''''''''''''''''''''''''''''''''''
        ' Construct an EncryptedData object and populate
        ' it with the desired encryption information.
        ''''''''''''''''''''''''''''''''''''''''''''''''''

        Dim edElement As New EncryptedData()
        edElement.Type = EncryptedXml.XmlEncElementUrl

        ' Create an EncryptionMethod element so that the 
        ' receiver knows which algorithm to use for decryption.
        edElement.EncryptionMethod = New EncryptionMethod(EncryptedXml.XmlEncAES256Url)

        ' Encrypt the session key and add it to an EncryptedKey element.
        Dim ek As New EncryptedKey()

        Dim encryptedKey As Byte() = EncryptedXml.EncryptKey(sessionKey.Key, Alg, False)

        ek.CipherData = New CipherData(encryptedKey)

        ek.EncryptionMethod = New EncryptionMethod(EncryptedXml.XmlEncRSA15Url)

        ' Save some more information about the key using
        ' the EncryptionProperty element.  In this example,
        ' we will save the value "LibVersion1".  You can save
        ' anything you want here.
        ' Create a new "EncryptionProperty" XmlElement object. 
        Dim element As XmlElement = New XmlDocument().CreateElement("EncryptionProperty", EncryptedXml.XmlEncNamespaceUrl)

        ' Set the value of the EncryptionProperty" XmlElement object.
        element.InnerText = "LibVersion1"

        ' Create the EncryptionProperty object using the XmlElement object. 
        Dim encProp As New EncryptionProperty(element)

        ' Add the EncryptionProperty object to the EncryptedData object.
        edElement.AddProperty(encProp)

        ' Set the KeyInfo element to specify the
        ' name of the RSA key.
        ' Create a new KeyInfo element.
        edElement.KeyInfo = New KeyInfo()

        ' Create a new KeyInfoName element.
        Dim kin As New KeyInfoName()

        ' Specify a name for the key.
        kin.Value = KeyName

        ' Add the KeyInfoName element to the 
        ' EncryptedKey object.
        ek.KeyInfo.AddClause(kin)

        ' Add the encrypted key to the 
        ' EncryptedData object.
        edElement.KeyInfo.AddClause(New KeyInfoEncryptedKey(ek))

        ' Add the encrypted element data to the 
        ' EncryptedData object.
        edElement.CipherData.CipherValue = encryptedElement

        ''''''''''''''''''''''''''''''''''''''''''''''''''
        ' Replace the element from the original XmlDocument
        ' object with the EncryptedData element.
        ''''''''''''''''''''''''''''''''''''''''''''''''''
        EncryptedXml.ReplaceElement(elementToEncrypt, edElement, False)

    End Sub


    Sub Decrypt(ByVal Doc As XmlDocument, ByVal Alg As RSA, ByVal KeyName As String)
        ' Check the arguments.  
        If Doc Is Nothing Then
            Throw New ArgumentNullException("Doc")
        End If
        If Alg Is Nothing Then
            Throw New ArgumentNullException("Alg")
        End If
        If KeyName Is Nothing Then
            Throw New ArgumentNullException("KeyName")
        End If
        ' Create a new EncryptedXml object.
        Dim exml As New EncryptedXml(Doc)

        ' Add a key-name mapping.
        ' This method can only decrypt documents
        ' that present the specified key name.
        exml.AddKeyNameMapping(KeyName, Alg)

        ' Decrypt the element.
        exml.DecryptDocument()

    End Sub


    Sub InspectElement(ByVal Doc As XmlDocument)
        ' Get the EncryptedData element from the XMLDocument object.
        Dim encryptedData As XmlElement = Doc.GetElementsByTagName("EncryptedData")(0)

        ' Create a new EncryptedData object.
        Dim encData As New EncryptedData()

        ' Load the XML from the document to
        ' initialize the EncryptedData object.
        encData.LoadXml(encryptedData)

        ' Display the properties.
        ' Most values are Null by default.
        Console.WriteLine("EncryptedData.CipherData: " + encData.CipherData.GetXml().InnerXml)
        Console.WriteLine("EncryptedData.Encoding: " + encData.Encoding)
        Console.WriteLine("EncryptedData.EncryptionMethod: " + encData.EncryptionMethod.GetXml().InnerXml)

        Dim encPropCollection As EncryptionPropertyCollection = encData.EncryptionProperties

        Console.WriteLine("Number of elements in the EncryptionPropertyCollection: " + encPropCollection.Count.ToString())
        'encPropCollection.
        Dim encProp As EncryptionProperty
        For Each encProp In encPropCollection
            Console.WriteLine("EncryptionProperty.ID: " + encProp.Id)
            Console.WriteLine("EncryptionProperty.PropertyElement: " + encProp.PropertyElement.InnerXml)
            Console.WriteLine("EncryptionProperty.Target: " + encProp.Target)
        Next encProp



        Console.WriteLine("EncryptedData.Id: " + encData.Id)
        Console.WriteLine("EncryptedData.KeyInfo: " + encData.KeyInfo.GetXml().InnerXml)
        Console.WriteLine("EncryptedData.MimeType: " + encData.MimeType)

    End Sub
End Module

注釈

クラスEncryptionPropertyは、World Wide Web コンソーシアム<EncryptionProperty> XML 暗号化の構文と処理の仕様で定義された要素をカプセル化します。The EncryptionProperty class encapsulates the <EncryptionProperty> element defined by the World Wide Web Consortium XML Encryption Syntax and Processing specification.

クラスを使用して、要素EncryptedDataEncryptedKey要素に関連する追加の暗号化情報を指定します。 EncryptionPropertyUse the EncryptionProperty class to provide additional encryption information related to the EncryptedData and EncryptedKey elements. たとえば、このクラスを使用してタイムスタンプを指定できます。For example, you can use this class to specify a time stamp.

コンストラクター

EncryptionPropertyCollection() EncryptionPropertyCollection() EncryptionPropertyCollection() EncryptionPropertyCollection()

EncryptionPropertyCollection クラスの新しいインスタンスを初期化します。Initializes a new instance of the EncryptionPropertyCollection class.

プロパティ

Count Count Count Count

EncryptionPropertyCollection オブジェクトに含まれている要素の数を取得します。Gets the number of elements contained in the EncryptionPropertyCollection object.

IsFixedSize IsFixedSize IsFixedSize IsFixedSize

EncryptionPropertyCollection オブジェクトが固定サイズかどうかを示す値を取得します。Gets a value that indicates whether the EncryptionPropertyCollection object has a fixed size.

IsReadOnly IsReadOnly IsReadOnly IsReadOnly

EncryptionPropertyCollection オブジェクトが読み取り専用かどうかを示す値を取得します。Gets a value that indicates whether the EncryptionPropertyCollection object is read-only.

IsSynchronized IsSynchronized IsSynchronized IsSynchronized

EncryptionPropertyCollection オブジェクトへのアクセスが同期されている (スレッド セーフである) かどうかを示す値を取得します。Gets a value that indicates whether access to the EncryptionPropertyCollection object is synchronized (thread safe).

ItemOf[Int32] ItemOf[Int32] ItemOf[Int32] ItemOf[Int32]

指定したインデックスの位置にある EncryptionProperty オブジェクトを取得または設定します。Gets or sets the EncryptionProperty object at the specified index.

SyncRoot SyncRoot SyncRoot SyncRoot

EncryptionPropertyCollection オブジェクトへのアクセスを同期するために使用できるオブジェクトを取得します。Gets an object that can be used to synchronize access to the EncryptionPropertyCollection object.

メソッド

Add(EncryptionProperty) Add(EncryptionProperty) Add(EncryptionProperty) Add(EncryptionProperty)

EncryptionProperty オブジェクトを EncryptionPropertyCollection オブジェクトに追加します。Adds an EncryptionProperty object to the EncryptionPropertyCollection object.

Clear() Clear() Clear() Clear()

EncryptionPropertyCollection オブジェクトからすべての項目を削除します。Removes all items from the EncryptionPropertyCollection object.

Contains(EncryptionProperty) Contains(EncryptionProperty) Contains(EncryptionProperty) Contains(EncryptionProperty)

EncryptionPropertyCollection オブジェクトに特定の EncryptionProperty オブジェクトが格納されているかどうかを確認します。Determines whether the EncryptionPropertyCollection object contains a specific EncryptionProperty object.

CopyTo(Array, Int32) CopyTo(Array, Int32) CopyTo(Array, Int32) CopyTo(Array, Int32)

特定の配列インデックスを開始位置として、配列に EncryptionPropertyCollection オブジェクトの要素をコピーします。Copies the elements of the EncryptionPropertyCollection object to an array, starting at a particular array index.

CopyTo(EncryptionProperty[], Int32) CopyTo(EncryptionProperty[], Int32) CopyTo(EncryptionProperty[], Int32) CopyTo(EncryptionProperty[], Int32)

特定の配列インデックスを開始位置として、EncryptionPropertyCollection オブジェクトの要素を、EncryptionProperty オブジェクトの配列に コピーします。Copies the elements of the EncryptionPropertyCollection object to an array of EncryptionProperty objects, starting at a particular array index.

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

指定したオブジェクトが、現在のオブジェクトと等しいかどうかを判断します。Determines whether the specified object is equal to the current object.

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

EncryptionPropertyCollection オブジェクトを反復処理する列挙子を返します。Returns an enumerator that iterates through an EncryptionPropertyCollection object.

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

既定のハッシュ関数として機能します。Serves as the default hash function.

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

現在のインスタンスの Type を取得します。Gets the Type of the current instance.

(Inherited from Object)
IndexOf(EncryptionProperty) IndexOf(EncryptionProperty) IndexOf(EncryptionProperty) IndexOf(EncryptionProperty)

EncryptionPropertyCollection オブジェクト内での指定した項目のインデックスを調べます。Determines the index of a specific item in the EncryptionPropertyCollection object.

Insert(Int32, EncryptionProperty) Insert(Int32, EncryptionProperty) Insert(Int32, EncryptionProperty) Insert(Int32, EncryptionProperty)

指定した位置で、EncryptionProperty オブジェクトに EncryptionPropertyCollection オブジェクトを挿入します。Inserts an EncryptionProperty object into the EncryptionPropertyCollection object at the specified position.

Item(Int32) Item(Int32) Item(Int32) Item(Int32)

指定したインデックス位置にある EncryptionProperty オブジェクトを返します。Returns the EncryptionProperty object at the specified index.

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

現在の Object の簡易コピーを作成します。Creates a shallow copy of the current Object.

(Inherited from Object)
Remove(EncryptionProperty) Remove(EncryptionProperty) Remove(EncryptionProperty) Remove(EncryptionProperty)

EncryptionProperty オブジェクト内で最初に見つかった特定の EncryptionPropertyCollection オブジェクトを削除します。Removes the first occurrence of a specific EncryptionProperty object from the EncryptionPropertyCollection object.

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

指定したインデックス位置にある EncryptionProperty オブジェクトを削除します。Removes the EncryptionProperty object at the specified index.

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

現在のオブジェクトを表す文字列を返します。Returns a string that represents the current object.

(Inherited from Object)

明示的なインターフェイスの実装

IList.Add(Object) IList.Add(Object) IList.Add(Object) IList.Add(Object)

IList に項目を追加します。Adds an item to the IList.

IList.Contains(Object) IList.Contains(Object) IList.Contains(Object) IList.Contains(Object)

IList に特定の値が格納されているかどうかを判断します。Determines whether the IList contains a specific value.

IList.IndexOf(Object) IList.IndexOf(Object) IList.IndexOf(Object) IList.IndexOf(Object)

IList 内の特定の項目のインデックスを確認します。Determines the index of a specific item in the IList.

IList.Insert(Int32, Object) IList.Insert(Int32, Object) IList.Insert(Int32, Object) IList.Insert(Int32, Object)

指定したインデックスの IList に項目を挿入します。Inserts an item to the IList at the specified index.

IList.Item[Int32] IList.Item[Int32] IList.Item[Int32] IList.Item[Int32]

指定したインデックス位置にある要素を取得します。Gets the element at the specified index.

IList.Remove(Object) IList.Remove(Object) IList.Remove(Object) IList.Remove(Object)

特定のオブジェクトが IList 内にあるときに、最初に出現したものを削除します。Removes the first occurrence of a specific object from the IList.

拡張メソッド

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

IEnumerable の要素を、指定した型にキャストします。Casts the elements of an IEnumerable to the specified type.

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

指定された型に基づいて IEnumerable の要素をフィルター処理します。Filters the elements of an IEnumerable based on a specified type.

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

クエリの並列化を有効にします。Enables parallelization of a query.

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

IEnumerableIQueryable に変換します。Converts an IEnumerable to an IQueryable.

適用対象