SiteIdentityPermission.FromXml メソッド

.NET Framework クラス ライブラリ リファレンス

SiteIdentityPermission.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。

名前空間: System.Security.Permissions
アセンブリ: mscorlib (mscorlib.dll 内)
構文

Visual Basic (宣言)

Public Overrides Sub FromXml
 ( _
    esd As SecurityElement _
)

Visual Basic (使用法)

Dim instance As SiteIdentityPermission
Dim esd As SecurityElement

instance.FromXml(esd)

C#

public override void FromXml (
    SecurityElement esd
)

C++

public:
virtual void FromXml (
    SecurityElement^ esd
) override

J#

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。

例外

例外の種類	条件
ArgumentNullException	esd パラメータが null 参照 (Visual Basic では Nothing) です。
ArgumentException	esd パラメータが有効なアクセス許可要素ではありません。 または esd パラメータのバージョン番号が有効ではありません。

使用例

Visual Basic

    ' 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 returnCodeCode As Boolean
 = True

        Dim site1 As [String] = ""
        Dim siteIdPerm1, siteIdPerm2 As SiteIdentityPermission

        Dim siteGen1 As New
 SiteGenerator()
        Dim siteGen2 As New
 SiteGenerator()

        siteGen1.ResetIndex()
        While siteGen1.CreateSite(site1)
            siteIdPerm1 = siteGen1.CreatePerm(site1)
            If siteIdPerm1 Is Nothing
 Then
                GoTo ContinueWhile1
            End If
            siteGen2.ResetIndex()
            Console.WriteLine("**************************************************************************")
            Try
                siteIdPerm2 = New SiteIdentityPermission(PermissionState.None)
                siteIdPerm2.FromXml(siteIdPerm1.ToXml())
                Dim result As Boolean
 = siteIdPerm2.Equals(siteIdPerm1)
                If siteIdPerm2.IsSubsetOf(siteIdPerm1) AndAlso
 siteIdPerm1.IsSubsetOf(siteIdPerm2) Then
                    Console.WriteLine(("Result of ToFromXml =
 " & siteIdPerm2.ToString()))
                Else
                    Console.WriteLine(siteIdPerm2.ToString())
                    Console.WriteLine(siteIdPerm1.ToString())
                End If
            Catch e As Exception
                Console.WriteLine(("ToFromXml failed. "
 & e.ToString()))
                GoTo ContinueWhile1
            End Try
ContinueWhile1:
        End While


        Return returnCodeCode
    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 returnCodeCode = true;

    String site1;
    SiteIdentityPermission siteIdPerm1, siteIdPerm2;
    SiteGenerator siteGen1 = new SiteGenerator();
    SiteGenerator siteGen2 = new SiteGenerator();

    siteGen1.ResetIndex();
    while (siteGen1.CreateSite(out site1))
    {
        siteIdPerm1 = siteGen1.CreatePerm(site1);
        if (siteIdPerm1 == null ) continue;
        siteGen2.ResetIndex();
        Console.WriteLine("**************************************************************************");
        try
        {
            siteIdPerm2 = new SiteIdentityPermission(PermissionState.None);
            siteIdPerm2.FromXml(siteIdPerm1.ToXml());
            bool result = siteIdPerm2.Equals(siteIdPerm1);
            if (siteIdPerm2.IsSubsetOf(siteIdPerm1) &&
 siteIdPerm1.IsSubsetOf(siteIdPerm2))
            {
                Console.WriteLine("Result of ToFromXml = " + siteIdPerm2.ToString());
            }
            else
            {
                Console.WriteLine(siteIdPerm2.ToString());
                Console.WriteLine(siteIdPerm1.ToString());
            }
        }
        catch (Exception e)
        {
            Console.WriteLine("ToFromXml failed. " + e);
            continue;
        }

    }


    return returnCodeCode;

}

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 returnCodeCode = true;
      String^ site1;
      SiteIdentityPermission^ siteIdPerm1;
      SiteIdentityPermission^ siteIdPerm2;

      SiteGenerator^ siteGen1 = gcnew SiteGenerator;
      SiteGenerator^ siteGen2 = gcnew SiteGenerator;
      siteGen1->ResetIndex();
      while ( siteGen1->CreateSite( &site1  ) )
      {
         siteIdPerm1 = siteGen1->CreatePerm(&site1);
         if ( siteIdPerm1 == nullptr  )
                  continue;

         siteGen2->ResetIndex();
         Console::WriteLine( "**************************************************************************"
 );
         try
         {
            siteIdPerm2 = gcnew SiteIdentityPermission( PermissionState::None );
            siteIdPerm2->FromXml( siteIdPerm1->ToXml() );
            bool result = siteIdPerm2->Equals( siteIdPerm1
 );
            if ( siteIdPerm2->IsSubsetOf( siteIdPerm1 ) &&
 siteIdPerm1->IsSubsetOf( siteIdPerm2 ) )
            {
               Console::WriteLine( "Result of ToFromXml = {0}", siteIdPerm2
 );
            }
            else
            {
               Console::WriteLine( siteIdPerm2 );
               Console::WriteLine( siteIdPerm1 );
            }
         }
         catch ( Exception^ e ) 
         {
            Console::WriteLine( "ToFromXml failed. {0}", e );
            continue;
         }

      }

      return returnCodeCode;
   }


public:

J#

// 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 boolean ToFromXmlDemo() 
{
     boolean returnCodeCode = true;
     String site1[] = new String[1];
     SiteIdentityPermission siteIdPerm1[] = new SiteIdentityPermission[1];
     SiteIdentityPermission siteIdPerm2[] = new SiteIdentityPermission[1];
     boolean successFlag[] = new boolean[1];
   
     SiteGenerator siteGen1 =  new SiteGenerator();
     SiteGenerator siteGen2 =  new SiteGenerator();
   
     siteGen1.ResetIndex();
     while(siteGen1.CreateSite(siteIdPerm1, site1, successFlag))
 {
         if (siteIdPerm1[0] == null | successFlag[0]
 == false) {
             continue ;
      }
      siteGen2.ResetIndex();
      Console.WriteLine("*********************************************"
 
         + "*****************************");
     try {
         siteIdPerm2[0] = new SiteIdentityPermission(PermissionState.None);
         siteIdPerm2[0].FromXml(siteIdPerm1[0].ToXml());
         boolean result = siteIdPerm2[0].Equals(siteIdPerm1[0]);
         if (siteIdPerm2[0].IsSubsetOf(siteIdPerm1[0]) &&
 
             siteIdPerm1[0].IsSubsetOf(siteIdPerm2[0])) {
             Console.WriteLine(("Result of ToFromXml = " 
                 + siteIdPerm2[0].ToString()));
         }
         else {
             Console.WriteLine(siteIdPerm2[0].ToString());
             Console.WriteLine(siteIdPerm1[0].ToString());
         }
     }
     catch(Exception e) {
         Console.WriteLine(("ToFromXml failed. " + e));
         continue ;
      }
   }
   return returnCodeCode ;
} //ToFromXmlDemo
 

プラットフォーム

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。

バージョン情報

.NET Framework
サポート対象 : 2.0、1.1、1.0

参照

関連項目
SiteIdentityPermission クラス
SiteIdentityPermission メンバ
System.Security.Permissions 名前空間