XmlDsigBase64Transform 類別

定義

命名空間:

System.Security.Cryptography.Xml

組件:

System.Security.Cryptography.Xml.dll

套件:

System.Security.Cryptography.Xml v8.0.0

來源:

XmlDsigBase64Transform.cs

表示根據 XMLDSIG 規格的章節 6.6.2 中所定義的 Base64 編碼方式轉換。

public ref class XmlDsigBase64Transform : System::Security::Cryptography::Xml::Transform

public class XmlDsigBase64Transform : System.Security.Cryptography.Xml.Transform

type XmlDsigBase64Transform = class
    inherit Transform

Public Class XmlDsigBase64Transform
Inherits Transform

繼承

Object

Transform

XmlDsigBase64Transform

範例

下列程式碼範例示範如何使用 類別的成員 XmlDsigBase64Transform 。

#using <System.dll>
#using <System.Xml.dll>
#using <System.Security.dll>

using namespace System;
using namespace System::IO;
using namespace System::Xml;
using namespace System::Security::Cryptography;
using namespace System::Security::Cryptography::Xml;

namespace CryptographyXmlDsigBase64Transform
{
    ref class Example
    {
    public:
        static void Produce()
        {
            
            // Encrypt an XML message
            EncryptXML(LoadXMLDoc());
            
            // Using XmlDsigBase64Transform resolving a Uri.
            Uri^ baseUri = gcnew Uri("http://www.microsoft.com");
            String^ relativeUri = "msdn";
            Uri^ absoluteUri = ResolveUris(baseUri, relativeUri);
            Console::WriteLine("This sample completed successfully; "
                "press Enter to exit.");
            Console::ReadLine();
        }


    private:

        // Encrypt the text in the specified XmlDocument.
        static void EncryptXML(XmlDocument^ xmlDoc)
        {
            
            XmlDsigBase64Transform^ xmlTransform = 
                gcnew XmlDsigBase64Transform;
            // Ensure the transform is using the proper algorithm.
            xmlTransform->Algorithm = 
                SignedXml::XmlDsigBase64TransformUrl;
            // Retrieve the XML representation of the current 
            // transform.
            XmlElement^ xmlInTransform = xmlTransform->GetXml();
            Console::WriteLine("Xml representation of the " 
                "current transform: ");
            Console::WriteLine(xmlInTransform->OuterXml);
            
            // Retrieve the valid input types for the current 
            // transform.
            array<Type^>^ validInTypes = xmlTransform->InputTypes;
            // Verify the xmlTransform can accept the XMLDocument
            // as an input type.
            for each (Type^ validInType in validInTypes)
            {
                if (validInType == xmlDoc->GetType())
                {
                    
                    // Demonstrate loading the entire Xml Document.
                    xmlTransform->LoadInput(xmlDoc);
                    // This transform is created for demonstration 
                    // purposes.
                    XmlDsigBase64Transform^ secondTransform = 
                        gcnew XmlDsigBase64Transform;
                    String^ classDescription = 
                        secondTransform->ToString();
                    // This call does not perform as expected.
                    // LoadInnerXml is overridden by the 
                    // XmlDsigBase64Transform class, but is 
                    // stubbed out.
                    secondTransform->LoadInnerXml(
                        xmlDoc->SelectNodes("//."));
                    break;
                }

            }
            
            array<Type^>^ validOutTypes = xmlTransform->OutputTypes;
            for each (Type^ validOutType in validOutTypes)
            {
                if (validOutType == Stream::typeid)
                {
                    try
                    {
                        
                        Type^ streamType = Stream::typeid;
                        CryptoStream^ outputStream = 
                            (CryptoStream^)(xmlTransform->GetOutput(
                            streamType));
                        // Read the CryptoStream into a stream reader.
                        StreamReader^ streamReader = 
                            gcnew StreamReader(outputStream);
                        
                        // Read the stream into a string.
                        String^ outputMessage = 
                            streamReader->ReadToEnd();
                        
                        // Close the streams.
                        outputStream->Close();
                        streamReader->Close();
                        
                        // Display to the console the Xml before and
                        // after encryption.
                        Console::WriteLine("Encoding the following "
                            "message: {0}", xmlDoc->InnerText);
                        Console::WriteLine("Message encoded: {0}", 
                            outputMessage);
                    }
                    catch (CryptographicException^ ex) 
                    {
                        Console::WriteLine("Cryptographic exception "
                            "caught: {0}", ex);
                    }

                    break;
                }
                else
                {
                    
                    Object^ outputObject = xmlTransform->GetOutput();
                }

            }
        }


        // Create an XML document with Element and Text nodes.
        static XmlDocument^ LoadXMLDoc()
        {
            XmlDocument^ xmlDoc = gcnew XmlDocument;
            XmlNode^ mainNode = 
                xmlDoc->CreateNode(XmlNodeType::Element, 
                "ContosoMessages", "http://www.contoso.com");
            XmlNode^ textNode = xmlDoc->CreateTextNode("Some text "
                "to encode.");
            mainNode->AppendChild(textNode);
            xmlDoc->AppendChild(mainNode);
            Console::WriteLine("Created the following XML Document "
                "for transformation: ");
            Console::WriteLine(xmlDoc->InnerXml);
            return xmlDoc;
        }


        // Resolve the specified base and relative Uri's.
        static Uri^ ResolveUris(Uri^ baseUri, String^ relativeUri)
        {
            
            XmlUrlResolver^ xmlResolver = gcnew XmlUrlResolver;
            xmlResolver->Credentials = 
                System::Net::CredentialCache::DefaultCredentials;
            XmlDsigBase64Transform^ xmlTransform = 
                gcnew XmlDsigBase64Transform;
            xmlTransform->Resolver = xmlResolver;
            Uri^ absoluteUri = xmlResolver->ResolveUri(baseUri, 
                relativeUri);
            if (absoluteUri != nullptr)
            {
                Console::WriteLine("Resolved the base Uri and "
                    "relative Uri to the following:");
                Console::WriteLine(absoluteUri);
            }
            else
            {
                Console::WriteLine("Unable to resolve the base "
                    "Uri and relative Uri");
            }

            return absoluteUri;
        }

    };

}

int main()
{
    CryptographyXmlDsigBase64Transform::Example::Produce();
}

//
// This sample produces the following output:
//
// Created the following XML Document for transformation:
// <ContosoMessages xmlns="http://www.contoso.com">Some text to encode.
// Xml representation of the current transform:
// <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#base64"
// xmlns="http://www.w3.org/2000/09/xmldsig#" />
// Encoding the following message: Some text to encode.
// Message encoded: Jmr^
// Resolved the base Uri and relative Uri to the following:
// http://www.microsoft.com/msdn
// This sample completed successfully; press Enter to exit.

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

class Class1
{
    [STAThread]
    static void Main(string[] args)
    {
        // Encrypt an XML message
        EncryptXML(LoadXMLDoc());

        // Using XmlDsigBase64Transform resolving a Uri.
        Uri baseUri = new Uri("http://www.microsoft.com");
        string relativeUri = "msdn";
        Uri absoluteUri = ResolveUris(baseUri, relativeUri);

        Console.WriteLine("This sample completed successfully; " +
            "press Enter to exit.");
        Console.ReadLine();
    }

    // Encrypt the text in the specified XmlDocument.
    private static void EncryptXML(XmlDocument xmlDoc)
    {
        XmlDsigBase64Transform xmlTransform = new XmlDsigBase64Transform();

        // Ensure the transform is using the proper algorithm.
        xmlTransform.Algorithm = SignedXml.XmlDsigBase64TransformUrl;

        // Retrieve the XML representation of the current transform.
        XmlElement xmlInTransform = xmlTransform.GetXml();

        Console.WriteLine("Xml representation of the current transform: ");
        Console.WriteLine(xmlInTransform.OuterXml);

        // Retrieve the valid input types for the current transform.
        Type[] validInTypes = xmlTransform.InputTypes;

        // Verify the xmlTransform can accept the XMLDocument as an
        // input type.
        for (int i=0; i<validInTypes.Length; i++)
        {
            if (validInTypes[i] == xmlDoc.GetType())
            {
                // Demonstrate loading the entire Xml Document.
                xmlTransform.LoadInput(xmlDoc);

                // This transform is created for demonstration purposes.
                XmlDsigBase64Transform secondTransform =
                    new XmlDsigBase64Transform();

                string classDescription = secondTransform.ToString();

                // This call does not perform as expected.
                // LoadInnerXml is overridden by the XmlDsigBase64Transform
                // class, but is stubbed out.
                secondTransform.LoadInnerXml(xmlDoc.SelectNodes("//."));

                break;
            }
        }

        Type[] validOutTypes = xmlTransform.OutputTypes;

        for (int i=0; i<validOutTypes.Length; i++)
        {
            if (validOutTypes[i] == typeof(System.IO.Stream))
            {
                try 
                {
                    Type streamType = typeof(System.IO.Stream);
                    CryptoStream outputStream = (CryptoStream) 
                        xmlTransform.GetOutput(streamType);

                    // Read the CryptoStream into a stream reader.
                    StreamReader streamReader =
                        new StreamReader(outputStream);

                    // Read the stream into a string.
                    string outputMessage = streamReader.ReadToEnd();

                    // Close the streams.
                    outputStream.Close();
                    streamReader.Close();

                    // Display to the console the Xml before and after
                    // encryption.
                    Console.WriteLine("Encoding the following message: " +
                        xmlDoc.InnerText);
                    Console.WriteLine("Message encoded: " + outputMessage);
            }
                catch (Exception ex)
                {
                    Console.WriteLine("Unexpected exception caught: " +
                        ex.ToString());
                }

                break;
            }
            else
            {
                object outputObject = xmlTransform.GetOutput();
            }
        }
    }

    // Create an XML document with Element and Text nodes.
    private static XmlDocument LoadXMLDoc()
    {
        XmlDocument xmlDoc = new XmlDocument();

        XmlNode mainNode = xmlDoc.CreateNode(
            XmlNodeType.Element,
            "ContosoMessages",
            "http://www.contoso.com");

        XmlNode textNode = xmlDoc.CreateTextNode("Some text to encode.");
        mainNode.AppendChild(textNode);
        xmlDoc.AppendChild(mainNode);

        Console.WriteLine("Created the following XML Document for " +
            "transformation: ");
        Console.WriteLine(xmlDoc.InnerXml);
        return xmlDoc;
    }

    // Resolve the specified base and relative Uri's .
    private static Uri ResolveUris(Uri baseUri, string relativeUri)
    {
        XmlUrlResolver xmlResolver = new XmlUrlResolver();
        xmlResolver.Credentials = 
            System.Net.CredentialCache.DefaultCredentials;

        XmlDsigBase64Transform xmlTransform = new XmlDsigBase64Transform();
        xmlTransform.Resolver = xmlResolver;

        Uri absoluteUri = xmlResolver.ResolveUri(baseUri, relativeUri);

        if (absoluteUri != null)
        {
            Console.WriteLine(
                "Resolved the base Uri and relative Uri to the following:");
            Console.WriteLine(absoluteUri.ToString());
        }
        else
        {
            Console.WriteLine(
                "Unable to resolve the base Uri and relative Uri");
        }
        return absoluteUri;
    }
}
//
// This sample produces the following output:
//
// Created the following XML Document for transformation:
// <ContosoMessages xmlns="http://www.contoso.com">Some text to encode.
// Xml representation of the current transform:
// <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#base64" xmlns=
// "http://www.w3.org/2000/09/xmldsig#" />
// Encoding the following message: Some text to encode.
// Message encoded: Jmr^
// Resolved the base Uri and relative Uri to the following:
// http://www.microsoft.com/msdn
// This sample completed successfully; press Enter to exit.

Imports System.IO
Imports System.Xml
Imports System.Security.Cryptography
Imports System.Security.Cryptography.Xml


Public Class Form1
    Inherits System.Windows.Forms.Form

    ' Event handler for Run button.
    Private Sub Button1_Click( _
        ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles Button1.Click

        tbxOutput.Cursor = Cursors.WaitCursor
        tbxOutput.Text = ""

        ' Encrypt an XML message
        EncryptXML(LoadXMLDoc())

        ' Using XmlDsigBase64Transform resolving a Uri.
        Dim baseUri As New Uri("http://www.microsoft.com")
        Dim relativeUri As String = "msdn"
        Dim absoluteUri As Uri = ResolveUris(baseUri, relativeUri)

        ' Reset the cursor and conclude application.
        WriteLine(vbCrLf + "This sample completed successfully;" + _
            " press Exit to continue.")
        tbxOutput.Cursor = Cursors.Default
    End Sub

    ' Encrypt the text in the specified XmlDocument.
    Private Sub EncryptXML(ByVal xmlDoc As XmlDocument)
        Dim xmlTransform As New XmlDsigBase64Transform

        ' Ensure the transform is using the proper algorithm.
        xmlTransform.Algorithm = SignedXml.XmlDsigBase64TransformUrl

        ' Retrieve the XML representation of the current transform.
        Dim xmlInTransform As XmlElement = xmlTransform.GetXml()

        WriteLine("Xml representation of the current transform: ")
        WriteLine(xmlInTransform.OuterXml)

        ' Retrieve the valid input types for the current transform.
        Dim validInTypes() As Type = xmlTransform.InputTypes

        ' Verify the xmlTransform can accept the XMLDocument as an
        ' input type.
        For i As Int16 = 0 To validInTypes.Length Step 1
            If (validInTypes(i).Equals(xmlDoc.GetType())) Then
                ' Demonstrate loading the entire Xml Document.
                xmlTransform.LoadInput(xmlDoc)

                ' This transform is created for demonstration purposes.
                Dim secondTransform As New XmlDsigBase64Transform

                Dim classDescription As String = secondTransform.ToString()

                ' This call does not perform as expected.
                ' LoadInnerXml is overridden by the XmlDsigBase64Transform
                ' class, but is stubbed out.
                secondTransform.LoadInnerXml(xmlDoc.SelectNodes("//."))

                Exit For
            End If
        Next
        Dim validOutTypes() As Type = xmlTransform.OutputTypes

        For i As Int16 = 0 To validOutTypes.Length Step 1
            If (validOutTypes(i).equals(GetType(System.IO.Stream))) Then
                Try
                    Dim streamType As Type = GetType(System.IO.Stream)

                    Dim outputStream As CryptoStream
                    outputStream = CType( _
                        xmlTransform.GetOutput(streamType), _
                        CryptoStream)


                    ' Read the CryptoStream into a stream reader.
                    Dim streamReader As New StreamReader(outputStream)

                    ' Read the stream into a string.
                    Dim outputMessage As String = streamReader.ReadToEnd()

                    ' Close the streams.
                    outputStream.Close()
                    streamReader.Close()

                    ' Display to the console the Xml before and after
                    ' encryption.
                    WriteLine("Encoding the following message: " + _
                        xmlDoc.InnerText)
                    WriteLine("Message encoded: " + outputMessage)

                Catch ex As Exception
                    WriteLine("Unexpected exception caught: " + _
                        ex.ToString())

                End Try

                ' Stop cycling through types, exit operation.
                Exit For
            Else
                Dim outputObject As Object = xmlTransform.GetOutput()
            End If
        Next
    End Sub

    ' Create an XML document with Element and Text nodes.
    Private Function LoadXMLDoc() As XmlDocument
        Dim xmlDoc As New XmlDocument

        Dim mainNode As XmlNode = xmlDoc.CreateNode( _
            XmlNodeType.Element, _
            "ContosoMessages", _
            "http://www.contoso.com")

        Dim textNode As XmlNode
        textNode = xmlDoc.CreateTextNode("Some text to encode.")
        mainNode.AppendChild(textNode)
        xmlDoc.AppendChild(mainNode)

        WriteLine("Created the following XML Document for " + _
            "transformation: ")
        WriteLine(xmlDoc.InnerXml)
        Return xmlDoc
    End Function

    ' Resolve the specified base and relative Uri's .
    Private Function ResolveUris( _
        ByVal baseUri As Uri, _
        ByVal relativeUri As String) As Uri

        Dim xmlResolver As New XmlUrlResolver
        xmlResolver.Credentials = _
            System.Net.CredentialCache.DefaultCredentials

        Dim xmlTransform As New XmlDsigBase64Transform
        xmlTransform.Resolver = xmlResolver

        Dim absoluteUri As Uri = _
            xmlResolver.ResolveUri(baseUri, relativeUri)

        If Not absoluteUri Is Nothing Then
            WriteLine( _
                "Resolved the base Uri and relative Uri to the following:")
            WriteLine(absoluteUri.ToString())
        Else
            WriteLine("Unable to resolve the base Uri and relative Uri")
        End If
        Return absoluteUri
    End Function

    ' Write message and carriage return to the output textbox.
    Private Sub WriteLine(ByVal message As String)
        tbxOutput.AppendText(message + vbCrLf)
    End Sub

    ' Event handler for Exit button.
    Private Sub Button2_Click( _
        ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles Button2.Click

        Application.Exit()
    End Sub
#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Friend WithEvents Panel2 As System.Windows.Forms.Panel
    Friend WithEvents Panel1 As System.Windows.Forms.Panel
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents tbxOutput As System.Windows.Forms.RichTextBox
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.Panel2 = New System.Windows.Forms.Panel
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Panel1 = New System.Windows.Forms.Panel
        Me.tbxOutput = New System.Windows.Forms.RichTextBox
        Me.Panel2.SuspendLayout()
        Me.Panel1.SuspendLayout()
        Me.SuspendLayout()
        '
        'Panel2
        '
        Me.Panel2.Controls.Add(Me.Button1)
        Me.Panel2.Controls.Add(Me.Button2)
        Me.Panel2.Dock = System.Windows.Forms.DockStyle.Bottom
        Me.Panel2.DockPadding.All = 20
        Me.Panel2.Location = New System.Drawing.Point(0, 320)
        Me.Panel2.Name = "Panel2"
        Me.Panel2.Size = New System.Drawing.Size(616, 64)
        Me.Panel2.TabIndex = 1
        '
        'Button1
        '
        Me.Button1.Dock = System.Windows.Forms.DockStyle.Right
        Me.Button1.Font = New System.Drawing.Font( _
            "Microsoft Sans Serif", _
            9.0!, _
            System.Drawing.FontStyle.Regular, _
            System.Drawing.GraphicsUnit.Point, _
            CType(0, Byte))
        Me.Button1.Location = New System.Drawing.Point(446, 20)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(75, 24)
        Me.Button1.TabIndex = 2
        Me.Button1.Text = "&Run"
        '
        'Button2
        '
        Me.Button2.Dock = System.Windows.Forms.DockStyle.Right
        Me.Button2.Font = New System.Drawing.Font( _
            "Microsoft Sans Serif", _
            9.0!, _
            System.Drawing.FontStyle.Regular, _
            System.Drawing.GraphicsUnit.Point, _
            CType(0, Byte))
        Me.Button2.Location = New System.Drawing.Point(521, 20)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(75, 24)
        Me.Button2.TabIndex = 3
        Me.Button2.Text = "E&xit"
        '
        'Panel1
        '
        Me.Panel1.Controls.Add(Me.tbxOutput)
        Me.Panel1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.Panel1.DockPadding.All = 20
        Me.Panel1.Location = New System.Drawing.Point(0, 0)
        Me.Panel1.Name = "Panel1"
        Me.Panel1.Size = New System.Drawing.Size(616, 320)
        Me.Panel1.TabIndex = 2
        '
        'tbxOutput
        '
        Me.tbxOutput.AccessibleDescription = _
            "Displays output from application."
        Me.tbxOutput.AccessibleName = "Output textbox."
        Me.tbxOutput.Dock = System.Windows.Forms.DockStyle.Fill
        Me.tbxOutput.Location = New System.Drawing.Point(20, 20)
        Me.tbxOutput.Name = "tbxOutput"
        Me.tbxOutput.Size = New System.Drawing.Size(576, 280)
        Me.tbxOutput.TabIndex = 1
        Me.tbxOutput.Text = "Click the Run button to run the application."
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15)
        Me.ClientSize = New System.Drawing.Size(616, 384)
        Me.Controls.Add(Me.Panel1)
        Me.Controls.Add(Me.Panel2)
        Me.Name = "Form1"
        Me.Text = "XmlDsigBase64Transform"
        Me.Panel2.ResumeLayout(False)
        Me.Panel1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region
End Class
'
' This sample produces the following output:
'
' Created the following XML Document for transformation: 
' <ContosoMessages xmlns="http://www.contoso.com">Some text to encode.
' Xml representation of the current transform: 
' <Transform Algorithm="http://www.w3.org/2000/09/xmldsig#base64" xmlns=
' "http://www.w3.org/2000/09/xmldsig#" />
' Encoding the following message: Some text to encode.
' Message encoded: Jmr^
' Resolved the base Uri and relative Uri to the following:
' http://www.microsoft.com/msdn
' 
' This sample completed successfully; press Exit to continue.

備註

XmlDsigBase64Transform當您需要簽署與專案編碼內容相關聯的原始資料時，請使用 物件。

描述 XmlDsigBase64Transform 物件的統一資源識別項 (URI) 是由 欄位所 XmlDsigBase64TransformUrl 定義。

如需解碼轉換的詳細資訊 Base64 ，請參閱 W3C XMLDSIG 規格的第 6.6.2 節。

建構函式

XmlDsigBase64Transform()

初始化 XmlDsigBase64Transform 類別的新執行個體。

屬性

Algorithm	取得或設定統一資源識別元 (URI)，它識別了目前轉換所執行的演算法。 (繼承來源 Transform)
Context	取得或設定 XmlElement 物件，表示目前 Transform 物件在其下執行的文件內容。 (繼承來源 Transform)
InputTypes	取得型別陣列，其為目前 LoadInput(Object) 物件之 XmlDsigBase64Transform 方法的有效輸入。
OutputTypes	取得可以從目前 GetOutput() 物件的 XmlDsigBase64Transform 方法輸出的型別陣列。
PropagatedNamespaces	取得或設定 Hashtable 物件，內含傳送至簽章的命名空間。 (繼承來源 Transform)
Resolver	設定目前的 XmlResolver 物件。 (繼承來源 Transform)

方法

Equals(Object)	判斷指定的物件是否等於目前的物件。 (繼承來源 Object)
GetDigestedOutput(HashAlgorithm)	在衍生類別中覆寫時，傳回與 Transform 物件關聯的摘要。 (繼承來源 Transform)
GetHashCode()	做為預設雜湊函式。 (繼承來源 Object)
GetInnerXml()	傳回 XmlDsigBase64Transform 物件的參數之 XML 表示，此物件適合納入為 XMLDSIG <Transform> 項目的子項目。
GetOutput()	傳回目前 XmlDsigBase64Transform 物件的輸出。
GetOutput(Type)	傳回型別為 XmlDsigBase64Transform 之目前 Stream 物件的輸出。
GetType()	取得目前執行個體的 Type。 (繼承來源 Object)
GetXml()	傳回目前 Transform 物件的 XML 表示。 (繼承來源 Transform)
LoadInnerXml(XmlNodeList)	將指定的 XmlNodeList 物件剖析為 <Transform> 項目的轉換特定內容；這個方法不受支援，因為 XmlDsigBase64Transform 物件並沒有內部的 XML 項目。
LoadInput(Object)	將指定的輸入載入目前的 XmlDsigBase64Transform 物件。
MemberwiseClone()	建立目前 Object 的淺層複製。 (繼承來源 Object)
ToString()	傳回代表目前物件的字串。 (繼承來源 Object)