ReflectionPermission.Union メソッドとは? わかりやすく解説

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ReflectionPermission.Union メソッド

現在のアクセス許可指定したアクセス許可和集合を表すアクセス許可作成します

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

Public Overrides Function
 Union ( _
    other As IPermission _
) As IPermission
Dim instance As ReflectionPermission
Dim other As IPermission
Dim returnValue As IPermission

returnValue = instance.Union(other)
public override IPermission Union (
    IPermission other
)
public:
virtual IPermission^ Union (
    IPermission^ other
) override
public IPermission Union (
    IPermission other
)
public override function Union (
    other : IPermission
) : IPermission

パラメータ

other

現在のアクセス許可和集合を持つアクセス許可。これは、現在のアクセス許可と同じ型であることが必要です。

戻り値
現在のアクセス許可指定したアクセス許可和集合を表す新しアクセス許可

例外例外
例外種類条件

ArgumentException

other パラメータnull 参照 (Visual Basic では Nothing) ではなく現在のアクセス許可と同じ型でもありません。

解説解説
使用例使用例
    Private Function UnionDemo() As
 Boolean
        Dim returnValue As Boolean
 = True
        Dim reflection1, reflection2 As ReflectionPermissionFlag
        Dim reflectionPerm1, reflectionPerm2 As
 ReflectionPermission
        Dim reflectionPerm3 As IPermission
        Dim reflectionGen1 As New
 ReflectionGenerator()
        Dim reflectionGen2 As New
 ReflectionGenerator()
        reflectionGen1.ResetIndex()
        While reflectionGen1.CreateReflection(reflection1)
            reflectionPerm1 = New ReflectionPermission(reflection1)
            Console.WriteLine("**********************************************************"
 & ControlChars.Lf)
            reflectionGen2.ResetIndex()

            While reflectionGen2.CreateReflection(reflection2)
                reflectionPerm2 = New ReflectionPermission(reflection2)
                reflectionPerm3 = CType(reflectionPerm1.Union(reflectionPerm2), ReflectionPermission)
                reflectionPerm3 = reflectionPerm1.Union(reflectionPerm2)

                If reflectionPerm3 Is Nothing
 Then
                    Console.WriteLine(("The union of "
 & reflection1.ToString() & " and " _
                    & reflection2.ToString() & " is null."))
                Else
                    Console.WriteLine(("The union of "
 & reflectionPerm1.Flags.ToString() & " and "
 _
                    & reflectionPerm2.Flags.ToString() & "
 = " _
                    & CType(reflectionPerm3, ReflectionPermission).Flags.ToString()))
                End If
ContinueWhile2:
            End While
ContinueWhile1:
        End While


        Return returnValue
    End Function 'UnionDemo

private bool UnionDemo()
{
    bool returnValue = true;
    ReflectionPermissionFlag reflection1, reflection2;
    ReflectionPermission reflectionPerm1, reflectionPerm2;
    IPermission reflectionPerm3;
    ReflectionGenerator reflectionGen1 = new ReflectionGenerator();
    ReflectionGenerator reflectionGen2 = new ReflectionGenerator();
    reflectionGen1.ResetIndex();
    while (reflectionGen1.CreateReflection(out reflection1))
    {
        reflectionPerm1 = new ReflectionPermission(reflection1);
        Console.WriteLine("**********************************************************\n");
        reflectionGen2.ResetIndex();

        while (reflectionGen2.CreateReflection(out reflection2))
        {
            reflectionPerm2 = new ReflectionPermission(reflection2);
            reflectionPerm3 = (ReflectionPermission)reflectionPerm1.Union(reflectionPerm2);
            reflectionPerm3 = reflectionPerm1.Union(reflectionPerm2);

            if (reflectionPerm3 == null)
            {
                Console.WriteLine("The union of " + reflection1 + "
 and " + reflection2 + " is null.");
            }
            else
            {
                Console.WriteLine("The union of " + reflectionPerm1.Flags
 + " and " +
                    reflectionPerm2.Flags + " = " +
                    ((ReflectionPermission)reflectionPerm3).Flags.ToString());
            }

        }
    }

    return returnValue;

}
bool UnionDemo()
{
   bool returnValue = true;
   ReflectionPermissionFlag reflection1;
   ReflectionPermissionFlag reflection2;
   ReflectionPermission^ reflectionPerm1;
   ReflectionPermission^ reflectionPerm2;
   IPermission^ reflectionPerm3;
   ReflectionGenerator^ reflectionGen1 = gcnew ReflectionGenerator;
   ReflectionGenerator^ reflectionGen2 = gcnew ReflectionGenerator;
   reflectionGen1->ResetIndex();
   while ( reflectionGen1->CreateReflection(  &reflection1
 ) )
   {
      reflectionPerm1 = gcnew ReflectionPermission( reflection1 );
      Console::WriteLine( "**********************************************************\n"
 );
      reflectionGen2->ResetIndex();
      while ( reflectionGen2->CreateReflection(  &reflection2
 ) )
      {
         reflectionPerm2 = gcnew ReflectionPermission( reflection2 );
   
         reflectionPerm3 = dynamic_cast<ReflectionPermission^>(reflectionPerm1->Union(
 reflectionPerm2 ));
         reflectionPerm3 = reflectionPerm1->Union( reflectionPerm2 );
         if ( reflectionPerm3 == nullptr )
         {
            Console::WriteLine( "The union of {0} and {1} is null.",
 reflection1, reflection2 );
         }
         else
         {
            Console::WriteLine( "The union of {0} and {1} = {2}", reflectionPerm1->Flags,
 reflectionPerm2->Flags, (dynamic_cast<ReflectionPermission^>(reflectionPerm3))->Flags
 );
         }
      }
   }

   return returnValue;
}


private boolean UnionDemo() 
{
    boolean returnValue = true;
    ReflectionPermissionFlag reflection1[] = 
        new ReflectionPermissionFlag[1];
    ReflectionPermissionFlag reflection2[] = 
        new ReflectionPermissionFlag[1];
    ReflectionPermission reflectionPerm1[] = 
        new ReflectionPermission[1];
    ReflectionPermission reflectionPerm2[] = 
        new ReflectionPermission[1];
    IPermission reflectionPerm3;
    ReflectionGenerator reflectionGen1 =  
        new ReflectionGenerator();
    ReflectionGenerator reflectionGen2 =  
        new ReflectionGenerator();
    reflectionGen1.ResetIndex();
    while(reflectionGen1.CreateReflection(reflectionPerm1, reflection1))
 {
        if (reflectionPerm1[0] == null) {
            continue ;
        }
        Console.WriteLine("*******************************************"
 
            + "***************\n");
        reflectionGen2.ResetIndex();
        
        while(reflectionGen2.CreateReflection(reflectionPerm2,
 
            reflection2)) {
            if (reflectionPerm2[0] == null)
 {
                continue ;
            }
            reflectionPerm3 =((ReflectionPermission)(
            reflectionPerm1[0].Union(reflectionPerm2[0])));
            reflectionPerm3 = reflectionPerm1[0].Union(reflectionPerm2[0]);
            
            if (reflectionPerm3 == null) {
                Console.WriteLine(("The union of " + reflection1[0] 
                + " and " + reflection2[0] + " is null."));
            }
            else {
                Console.WriteLine(("The union of " 
                + reflectionPerm1[0].get_Flags() + " and " 
                + reflectionPerm2[0].get_Flags() + " = " 
                + ((ReflectionPermission)(reflectionPerm3)).
                get_Flags().ToString()));
            }
        }
    }
    return returnValue ;
} //UnionDemo
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バージョン情報バージョン情報
参照参照
関連項目
ReflectionPermission クラス
ReflectionPermission メンバ
System.Security.Permissions 名前空間



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