PublisherIdentityPermission.FromXml メソッド

XML エンコーディングから、指定した状態のアクセス許可を再構築します。

Overrides Public Sub FromXml( _
   ByVal esd As SecurityElement _) Implements ISecurityEncodable.FromXml
[C#]
public override void FromXml(SecurityElementesd);
[C++]
public: void FromXml(SecurityElement* esd);
[JScript]
public override function FromXml(
   esd : SecurityElement);

パラメータ

• esd
  アクセス許可の再構築に使用する XML エンコーディング。

実装

ISecurityEncodable.FromXml

例外

使用例

 
' ToXml creates an XML encoding of the permission and its current state; FromXml
' reconstructs a permission with the specified state from the XML encoding. 
Private Function ToFromXmlDemo() As Boolean

    Dim retCode As Boolean = True

    Dim publisher1 As [String]
    Dim pubIdPerm1, pubIdPerm2 As PublisherIdentityPermission

    Dim pubGen1 As New PublisherGenerator()
    Dim pubGen2 As New PublisherGenerator()

    pubGen1.ResetIndex()
    While pubGen1.CreatePublisher(pubIdPerm1, publisher1)
        If pubIdPerm1 Is Nothing Then
            GoTo ContinueWhile1
        End If
        pubGen2.ResetIndex()
        Try
            pubIdPerm2 = New PublisherIdentityPermission(PermissionState.None)
            pubIdPerm2.FromXml(pubIdPerm1.ToXml())
            Console.WriteLine(("Result of ToFromXml = " & pubIdPerm2.ToString() & ControlChars.Lf))
        Catch e As Exception
            Console.WriteLine(("ToFromXml failed :" & pubIdPerm1.ToString() & e.ToString()))
            GoTo ContinueWhile1
        End Try
ContinueWhile1:
    End While


    Return retCode
End Function 'ToFromXmlDemo


[C#] 
// ToXml creates an XML encoding of the permission and its current state; FromXml
// reconstructs a permission with the specified state from the XML encoding. 
    private bool ToFromXmlDemo()
    {

        bool retCode = true;

        String publisher1;
        PublisherIdentityPermission pubIdPerm1,pubIdPerm2;

        PublisherGenerator pubGen1 = new PublisherGenerator();
        PublisherGenerator pubGen2 = new PublisherGenerator();

        pubGen1.ResetIndex();
        while(pubGen1.CreatePublisher(out pubIdPerm1, out publisher1)) 
        {
            if(pubIdPerm1 == null) continue;
            pubGen2.ResetIndex();
            try
            {            
                pubIdPerm2= new PublisherIdentityPermission(PermissionState.None);
                pubIdPerm2.FromXml(pubIdPerm1.ToXml());
                Console.WriteLine("Result of ToFromXml = " +pubIdPerm2.ToString() + "\n");
            }
            catch(Exception e) 
            {
                Console.WriteLine("ToFromXml failed :" + pubIdPerm1.ToString() + e);
                continue;
            }


            }

        return retCode;

    }

[C++] 
// ToXml creates an XML encoding of the permission and its current state; FromXml
// reconstructs a permission with the specified state from the XML encoding. 
bool ToFromXmlDemo()
{

   bool retCode = true;

   String* publisher1;
   PublisherIdentityPermission* pubIdPerm1;
   PublisherIdentityPermission* pubIdPerm2;


   PublisherGenerator* pubGen1 = new PublisherGenerator();
   PublisherGenerator* pubGen2 = new PublisherGenerator();

   pubGen1->ResetIndex();
   while(pubGen1->CreatePublisher(&pubIdPerm1, &publisher1)) 
   {
      if(pubIdPerm1 == 0) continue;
      pubGen2->ResetIndex();
      try
      {            
         pubIdPerm2= new PublisherIdentityPermission(PermissionState::None);
         pubIdPerm2->FromXml(pubIdPerm1->ToXml());
         Console::WriteLine(S"Result of ToFromXml = {0}\n", pubIdPerm2);
      }
      catch(Exception* e) 
      {
         Console::WriteLine(S"ToFromXml failed :{0}{1}", pubIdPerm1, e);
         continue;
      }


   }

   return retCode;

}

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必要条件

プラットフォーム: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 ファミリ

参照

PublisherIdentityPermission クラス | PublisherIdentityPermission メンバ | System.Security.Permissions 名前空間