ReflectionPermission 클래스

System.Reflection API를 통해 메타데이터에 대한 액세스를 제어합니다. 이 클래스는 상속될 수 없습니다.

네임스페이스: System.Security.Permissions
어셈블리: mscorlib(mscorlib.dll)

구문

‘선언
<SerializableAttribute> _
<ComVisibleAttribute(True)> _
Public NotInheritable Class ReflectionPermission
    Inherits CodeAccessPermission
    Implements IUnrestrictedPermission
‘사용 방법
Dim instance As ReflectionPermission
[SerializableAttribute] 
[ComVisibleAttribute(true)] 
public sealed class ReflectionPermission : CodeAccessPermission, IUnrestrictedPermission
[SerializableAttribute] 
[ComVisibleAttribute(true)] 
public ref class ReflectionPermission sealed : public CodeAccessPermission, IUnrestrictedPermission
/** @attribute SerializableAttribute() */ 
/** @attribute ComVisibleAttribute(true) */ 
public final class ReflectionPermission extends CodeAccessPermission implements IUnrestrictedPermission
SerializableAttribute 
ComVisibleAttribute(true) 
public final class ReflectionPermission extends CodeAccessPermission implements IUnrestrictedPermission

설명

TypeSystem.Reflection 기능의 루트입니다. ReflectionPermission이 없으면 코드는 로드된 어셈블리의 public 멤버에만 액세스할 수 있습니다. 여기에는 Object.GetType, 내보낸 public 형식(Type.GetType 사용) 및 GetTypeFromHandle 등에 대한 제한 없는 액세스가 포함됩니다. FullNameAttributes와 같은 Type의 일부 속성에는 ReflectionPermission을 사용하지 않고 액세스할 수 있습니다.

적절한 ReflectionPermission이 포함된 코드에서는 public, protected 및 로드된 Typeprivate 멤버에도 액세스할 수 있습니다. 여기에는 Module, Assembly, BaseTypeGetInterfaces에 대한 액세스가 포함됩니다.

경고

ReflectionPermission은 전용 클래스 멤버와 메타데이터에 대한 액세스를 제공할 수 있으므로 인터넷 코드에 ReflectionPermission을 부여하지 않는 것이 좋습니다.

예제

Imports System
Imports System.Security
Imports System.Security.Permissions
Imports Microsoft.VisualBasic

<Assembly: CLSCompliant(True)> 

Public Class ReflectionPermissionDemo

    ' IsSubsetOf determines whether the current permission is a subset of the specified permission.
    Private Function IsSubsetOfDemo() As Boolean
        Dim returnValue As Boolean = True
        Dim reflection1, reflection2 As ReflectionPermissionFlag
        Dim reflectionPerm1, reflectionPerm2 As ReflectionPermission
        Dim reflectionGen1 As New ReflectionGenerator()
        Dim reflectionGen2 As New ReflectionGenerator()
        reflectionGen1.ResetIndex()
        While reflectionGen1.CreateReflection(reflection1)
            reflectionPerm1 = New ReflectionPermission(reflection1)
            reflectionGen2.ResetIndex()
            Console.WriteLine("********************************************************" & ControlChars.Lf)
            While reflectionGen2.CreateReflection(reflection2)
                reflectionPerm2 = New ReflectionPermission(reflection2)
                Try
                    If reflectionPerm1.IsSubsetOf(reflectionPerm2) Then
                        Console.WriteLine((reflectionPerm1.Flags.ToString() & " is a subset of " _
                        & reflectionPerm2.Flags.ToString()))
                    Else
                        Console.WriteLine((reflectionPerm1.Flags.ToString() & " is not a subset of " _
                        & reflectionPerm2.Flags.ToString()))
                    End If
                Catch e As Exception
                    Console.WriteLine(("An exception was thrown for subset :" & reflectionPerm1.ToString() _
                    & ControlChars.Lf & reflectionPerm2.ToString() & ControlChars.Lf & e.ToString()))
                    returnValue = False
                End Try
ContinueWhile2:
            End While
ContinueWhile1:
        End While
        Return returnValue
    End Function 'IsSubsetOfDemo

    ' Union creates a new permission that is the union of the current permission and the specified permission.
    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

    ' Intersect creates and returns a new permission that is the intersection of the current 
    ' permission and the permission specified.
    Private Function IntersectDemo() As Boolean
        Dim returnValue As Boolean = True
        Dim reflection1, reflection2 As ReflectionPermissionFlag
        Dim reflectionPerm1, reflectionPerm2, reflectionPerm3 As ReflectionPermission
        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.Intersect(reflectionPerm2), ReflectionPermission)
                If Not (reflectionPerm3 Is Nothing) Then
                    Console.WriteLine(("The intersection of " & reflection1.ToString() & " and " _
                    & reflection2.ToString() & " = " _
                    & CType(reflectionPerm3, ReflectionPermission).Flags.ToString()))
                Else
                    Console.WriteLine(("The intersection of " & reflection1.ToString() & " and " _
                    & reflection2.ToString() & " is null."))
                End If
ContinueWhile2:
            End While
ContinueWhile1:
        End While

        Return returnValue
    End Function 'IntersectDemo

    'Copy creates and returns an identical copy of the current permission.
    Private Function CopyDemo() As Boolean

        Dim returnValue As Boolean = True

        Dim reflection1 As ReflectionPermissionFlag
        Dim reflectionPerm1, reflectionPerm2 As ReflectionPermission

        Dim reflectionGen1 As New ReflectionGenerator()
        Dim reflectionGen2 As New ReflectionGenerator()

        reflectionGen1.ResetIndex()
        While reflectionGen1.CreateReflection(reflection1)
            reflectionPerm1 = New ReflectionPermission(reflection1)
            reflectionGen2.ResetIndex()
            Console.WriteLine("********************************************************" & ControlChars.Lf)
            Try
                reflectionPerm2 = CType(reflectionPerm1.Copy(), ReflectionPermission)
                Console.WriteLine(("Result of copy = " & reflectionPerm2.ToString()))

            Catch e As Exception
                Console.WriteLine(("Copy failed :" & reflectionPerm1.ToString() & e.ToString()))

            End Try
ContinueWhile1:
        End While
        Return returnValue
    End Function 'CopyDemo

    ' 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 returnValue As Boolean = True

        Dim reflection1 As ReflectionPermissionFlag
        Dim reflectionPerm1, reflectionPerm2 As ReflectionPermission
        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()
            Try
                reflectionPerm2 = New ReflectionPermission(PermissionState.None)
                reflectionPerm2.FromXml(reflectionPerm1.ToXml())
                Console.WriteLine(("Result of ToFromXml = " & reflectionPerm2.ToString()))

            Catch e As Exception
                Console.WriteLine(("ToFromXml failed :" & reflectionPerm1.ToString() & e.ToString()))

            End Try
ContinueWhile1:
        End While

        Return returnValue
    End Function 'ToFromXmlDemo

    ' Invoke all demos.
    Public Function runDemo() As Boolean
        Dim returnCode As Boolean = True
        Dim tempReturnCode As Boolean

        ' Call the IsSubsetOf demo.
        tempReturnCode = IsSubsetOfDemo()
        If tempReturnCode Then
            Console.Out.WriteLine("IsSubsetOf demo completed successfully.")
        Else
            Console.Out.WriteLine("IsSubsetOf demo failed.")
        End If
        returnCode = tempReturnCode AndAlso returnCode

        ' Call the Union demo.
        tempReturnCode = UnionDemo()
        If tempReturnCode Then
            Console.Out.WriteLine("Union demo completed successfully.")
        Else
            Console.Out.WriteLine("Union demo failed.")
        End If
        returnCode = tempReturnCode AndAlso returnCode

        ' Call the Intersect demo.  
        tempReturnCode = IntersectDemo()
        If tempReturnCode Then
            Console.Out.WriteLine("Intersect demo completed successfully.")
        Else
            Console.Out.WriteLine("Intersect demo failed.")
        End If
        returnCode = tempReturnCode AndAlso returnCode


        ' Call the Copy demo.   
        tempReturnCode = CopyDemo()
        If tempReturnCode Then
            Console.Out.WriteLine("Copy demo completed successfully.")
        Else
            Console.Out.WriteLine("Copy demo failed.")
        End If
        returnCode = tempReturnCode AndAlso returnCode

        ' Call the ToFromXml demo.  
        tempReturnCode = ToFromXmlDemo()
        If tempReturnCode Then
            Console.Out.WriteLine("ToFromXml demo completed successfully.")
        Else
            Console.Out.WriteLine("ToFromXml demo failed.")
        End If
        returnCode = tempReturnCode AndAlso returnCode

        Return returnCode
    End Function 'runDemo

    ' Test harness.
    Public Overloads Shared Sub Main(ByVal args() As [String])
        Try
            Dim democase As New ReflectionPermissionDemo()
            Dim returnCode As Boolean = democase.runDemo()
            If returnCode Then
                Console.Out.WriteLine("ReflectionPermission demo completed successfully.")
                Console.Out.WriteLine("Press the Enter key to exit.")
                Dim consoleInput As String = Console.ReadLine()
                System.Environment.ExitCode = 100
            Else
                Console.Out.WriteLine("ReflectionPermission demo failed.")
                Console.Out.WriteLine("Press the Enter key to exit.")
                Dim consoleInput As String = Console.ReadLine()
                System.Environment.ExitCode = 101
            End If
        Catch e As Exception
            Console.Out.WriteLine("ReflectionPermission demo failed.")
            Console.WriteLine(e.ToString())
            Console.Out.WriteLine("Press the Enter key to exit.")
            Dim consoleInput As String = Console.ReadLine()
            System.Environment.ExitCode = 101
        End Try
    End Sub 'Main
End Class 'ReflectionPermissionDemo


' This class generates ReflectionPermission objects.

Friend Class ReflectionGenerator


    Private myReflection As ReflectionPermissionFlag() = {ReflectionPermissionFlag.AllFlags, ReflectionPermissionFlag.MemberAccess, ReflectionPermissionFlag.NoFlags, ReflectionPermissionFlag.ReflectionEmit, ReflectionPermissionFlag.TypeInformation}

    Private reflectionIndex As Integer = 0


    Public Sub New()
        ResetIndex()
    End Sub 'New


    Public Sub ResetIndex()
        reflectionIndex = 0
    End Sub 'ResetIndex

    ' CreateReflection creates a ReflectionPermission object.
    Public Function CreateReflection(ByRef reflection As ReflectionPermissionFlag) As Boolean

        If reflectionIndex >= myReflection.Length Then

            reflection = ReflectionPermissionFlag.NoFlags
            reflectionIndex &= 1
            Return False
        End If
        reflection = myReflection(reflectionIndex)
        reflectionIndex = reflectionIndex + 1
        Return True
    End Function
End Class
using System;
using System.Security;
using System.Security.Permissions;

[assembly: CLSCompliant(true)]

public class ReflectionPermissionDemo
{
    // IsSubsetOf determines whether the current permission is a subset of the specified permission.
    private bool IsSubsetOfDemo()
    {
        bool returnValue = true;
        ReflectionPermissionFlag reflection1, reflection2;
        ReflectionPermission reflectionPerm1, reflectionPerm2;
        ReflectionGenerator reflectionGen1 = new ReflectionGenerator();
        ReflectionGenerator reflectionGen2 = new ReflectionGenerator();
        reflectionGen1.ResetIndex();
        while (reflectionGen1.CreateReflection(out reflection1))
        {
            reflectionPerm1 = new ReflectionPermission(reflection1);
            reflectionGen2.ResetIndex();
            Console.WriteLine("********************************************************\n");

            while (reflectionGen2.CreateReflection(out reflection2))
            {
                reflectionPerm2 = new ReflectionPermission(reflection2);
                try
                {
                    if (reflectionPerm1.IsSubsetOf(reflectionPerm2))
                    {
                        Console.WriteLine(reflectionPerm1.Flags + " is a subset of " +
                            reflectionPerm2.Flags);
                    }
                    else
                    {
                        Console.WriteLine(reflectionPerm1.Flags + " is not a subset of " +
                            reflectionPerm2.Flags);
                    }
                }
                catch (Exception e)
                {
                    Console.WriteLine("An exception was thrown for subset :" + reflectionPerm1 + "\n" +
                        reflectionPerm2 + "\n" + e);
                    returnValue = false;
                }
            }
        }
        return returnValue;
    }
    // Union creates a new permission that is the union of the current permission and the specified permission.
    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;

    }
    // Intersect creates and returns a new permission that is the intersection of the current
    // permission and the permission specified.
    private bool IntersectDemo()
    {
        bool returnValue = true;
        ReflectionPermissionFlag reflection1, reflection2;
        ReflectionPermission reflectionPerm1, reflectionPerm2, 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.Intersect(reflectionPerm2);
                if (reflectionPerm3 != null)
                {
                    Console.WriteLine("The intersection of " + reflection1 + " and " + reflection2 + " = " +
                        ((ReflectionPermission)reflectionPerm3).Flags.ToString());
                }
                else
                {
                    Console.WriteLine("The intersection of " + reflection1 + " and " + reflection2 + " is null.");
                }
            }
        }

        return returnValue;
    }
    //Copy creates and returns an identical copy of the current permission.
    private bool CopyDemo()
    {

        bool returnValue = true;

        ReflectionPermissionFlag reflection1;
        ReflectionPermission reflectionPerm1, reflectionPerm2;

        ReflectionGenerator reflectionGen1 = new ReflectionGenerator();
        ReflectionGenerator reflectionGen2 = new ReflectionGenerator();

        reflectionGen1.ResetIndex();
        while (reflectionGen1.CreateReflection(out reflection1))
        {
            reflectionPerm1 = new ReflectionPermission(reflection1);
            reflectionGen2.ResetIndex();
            Console.WriteLine("********************************************************\n");
            try
            {
                reflectionPerm2 = (ReflectionPermission)reflectionPerm1.Copy();
                Console.WriteLine("Result of copy = " + reflectionPerm2.ToString());

            }
            catch (Exception e)
            {
                Console.WriteLine("Copy failed :" + reflectionPerm1.ToString() + e);
                continue;
            }
        }
        return returnValue;
    }
    // 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 returnValue = true;

        ReflectionPermissionFlag reflection1;
        ReflectionPermission reflectionPerm1, reflectionPerm2;
        ReflectionGenerator reflectionGen1 = new ReflectionGenerator();
        ReflectionGenerator reflectionGen2 = new ReflectionGenerator();
        reflectionGen1.ResetIndex();
        while (reflectionGen1.CreateReflection(out reflection1))
        {
            reflectionPerm1 = new ReflectionPermission(reflection1);
            Console.WriteLine("********************************************************\n");
            reflectionGen2.ResetIndex();
            try
            {
                reflectionPerm2 = new ReflectionPermission(PermissionState.None);
                reflectionPerm2.FromXml(reflectionPerm1.ToXml());
                Console.WriteLine("Result of ToFromXml = " +
                    reflectionPerm2.ToString());

            }
            catch (Exception e)
            {
                Console.WriteLine("ToFromXml failed :" + reflectionPerm1.ToString() + e);
                continue;
            }
        }

        return returnValue;

    }
    // Invoke all demos.
    public bool runDemo()
    {
        bool returnCode = true;
        bool tempReturnCode;

        // Call the IsSubsetOf demo.
        if (tempReturnCode = IsSubsetOfDemo()) Console.Out.WriteLine("IsSubsetOf demo completed successfully.");
        else Console.Out.WriteLine("IsSubsetOf demo failed.");
        returnCode = tempReturnCode && returnCode;

        // Call the Union demo.
        if (tempReturnCode = UnionDemo()) Console.Out.WriteLine("Union demo completed successfully.");
        else Console.Out.WriteLine("Union demo failed.");
        returnCode = tempReturnCode && returnCode;

        // Call the Intersect demo.
        if (tempReturnCode = IntersectDemo()) Console.Out.WriteLine("Intersect demo completed successfully.");
        else Console.Out.WriteLine("Intersect demo failed.");
        returnCode = tempReturnCode && returnCode;


        // Call the Copy demo.
        if (tempReturnCode = CopyDemo()) Console.Out.WriteLine("Copy demo completed successfully.");
        else Console.Out.WriteLine("Copy demo failed.");
        returnCode = tempReturnCode && returnCode;

        // Call the ToFromXml demo.
        if (tempReturnCode = ToFromXmlDemo()) Console.Out.WriteLine("ToFromXml demo completed successfully.");
        else Console.Out.WriteLine("ToFromXml demo failed.");
        returnCode = tempReturnCode && returnCode;

        return (returnCode);
    }
    // Test harness.
    public static void Main(String[] args)
    {
        try
        {
            ReflectionPermissionDemo democase = new ReflectionPermissionDemo();
            bool returnCode = democase.runDemo();
            if (returnCode)
            {
                Console.Out.WriteLine("ReflectionPermission demo completed successfully.");
                Console.Out.WriteLine("Press the Enter key to exit.");
                string consoleInput = Console.ReadLine();
                System.Environment.ExitCode = 100;
            }
            else
            {
                Console.Out.WriteLine("ReflectionPermission demo failed.");
                Console.Out.WriteLine("Press the Enter key to exit.");
                string consoleInput = Console.ReadLine();
                System.Environment.ExitCode = 101;
            }
        }
        catch (Exception e)
        {
            Console.Out.WriteLine("ReflectionPermission demo failed.");
            Console.WriteLine(e.ToString());
            Console.Out.WriteLine("Press the Enter key to exit.");
            string consoleInput = Console.ReadLine();
            System.Environment.ExitCode = 101;
        }
    }
}


// This class generates ReflectionPermission objects.

internal class ReflectionGenerator
{


    private ReflectionPermissionFlag[] myReflection =
{
    ReflectionPermissionFlag.AllFlags,
    ReflectionPermissionFlag.MemberAccess,
    ReflectionPermissionFlag.NoFlags,
    ReflectionPermissionFlag.ReflectionEmit,
    ReflectionPermissionFlag.TypeInformation};

    private int reflectionIndex = 0;

    public ReflectionGenerator()
    {
        ResetIndex();
    }

    public void ResetIndex()
    {
        reflectionIndex = 0;
    }
    // CreateReflection creates a ReflectionPermission object.
    public bool CreateReflection(out ReflectionPermissionFlag reflection)
    {

        if (reflectionIndex >= myReflection.Length)
        {

            reflection = ReflectionPermissionFlag.NoFlags;
            reflectionIndex++;
            return false;
        }
        reflection = myReflection[reflectionIndex++];
        return true;
    }
}
using namespace System;
using namespace System::Security;
using namespace System::Security::Permissions;
using namespace System::Runtime::InteropServices;

// This class generates ReflectionPermission objects.

[assembly:CLSCompliant(true)];
private ref class ReflectionGenerator
{
private:
   array<ReflectionPermissionFlag>^myReflection;
   int reflectionIndex;

public:
   ReflectionGenerator()
   {
      array<ReflectionPermissionFlag>^ temp0 = {ReflectionPermissionFlag::AllFlags,ReflectionPermissionFlag::MemberAccess,ReflectionPermissionFlag::NoFlags,ReflectionPermissionFlag::ReflectionEmit,ReflectionPermissionFlag::TypeInformation};
      myReflection = temp0;
      ResetIndex();
   }

   void ResetIndex()
   {
      reflectionIndex = 0;
   }


   // CreateReflection creates a ReflectionPermission object.
   bool CreateReflection( [Out]ReflectionPermissionFlag * reflection )
   {
      if ( reflectionIndex >= myReflection->Length )
      {
         
         
          *reflection = ReflectionPermissionFlag::NoFlags;
         reflectionIndex++;
         return false;
      }

       *reflection = myReflection[ reflectionIndex++ ];
       return true;
    }

};


// End of ReflectionGenerator.
public ref class ReflectionPermissionDemo
{
private:

   // IsSubsetOf determines whether the current permission is a subset of the specified permission.
   bool IsSubsetOfDemo()
   {
      bool returnValue = true;
      ReflectionPermissionFlag reflection1;
      ReflectionPermissionFlag reflection2;
      ReflectionPermission^ reflectionPerm1;
      ReflectionPermission^ reflectionPerm2;
      ReflectionGenerator^ reflectionGen1 = gcnew ReflectionGenerator;
      ReflectionGenerator^ reflectionGen2 = gcnew ReflectionGenerator;
      reflectionGen1->ResetIndex();
      while ( reflectionGen1->CreateReflection(  &reflection1 ) )
      {
         reflectionPerm1 = gcnew ReflectionPermission( reflection1 );
         reflectionGen2->ResetIndex();
         Console::WriteLine( "********************************************************\n" );
         while ( reflectionGen2->CreateReflection(  &reflection2 ) )
         {
            reflectionPerm2 = gcnew ReflectionPermission( reflection2 );  
            try
            {
               if ( reflectionPerm1->IsSubsetOf( reflectionPerm2 ) )
               {
                  Console::WriteLine( "{0} is a subset of {1}", reflectionPerm1->Flags, reflectionPerm2->Flags );
               }
               else
               {
                  Console::WriteLine( "{0} is not a subset of {1}", reflectionPerm1->Flags, reflectionPerm2->Flags );
               }
            }
            catch ( Exception^ e ) 
            {
               Console::WriteLine( "An exception was thrown for subset : {0}\n{1}\n{2}", reflectionPerm1, reflectionPerm2, e );
               returnValue = false;
            }

         }
      }

      return returnValue;
   }

   // Union creates a new permission that is the union of the current permission and the specified permission.
   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;
   }


   // Intersect creates and returns a new permission that is the intersection of the current
   // permission and the permission specified.
   bool IntersectDemo()
   {
      bool returnValue = true;
      ReflectionPermissionFlag reflection1;
      ReflectionPermissionFlag reflection2;
      ReflectionPermission^ reflectionPerm1;
      ReflectionPermission^ reflectionPerm2;
      ReflectionPermission^ 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->Intersect( reflectionPerm2 ));
            if ( reflectionPerm3 != nullptr )
            {
               Console::WriteLine( "The intersection of {0} and {1} = {2}", reflection1, reflection2, (dynamic_cast<ReflectionPermission^>(reflectionPerm3))->Flags );
            }
            else
            {
               Console::WriteLine( "The intersection of {0} and {1} is null", reflection1, reflection2 );
            }
         }
      }

      return returnValue;
   }

   //Copy creates and returns an identical copy of the current permission.
   bool CopyDemo()
   {
      bool returnValue = true;
      ReflectionPermissionFlag reflection1;
      ReflectionPermission^ reflectionPerm1;
      ReflectionPermission^ reflectionPerm2;
      ReflectionGenerator^ reflectionGen1 = gcnew ReflectionGenerator;
      ReflectionGenerator^ reflectionGen2 = gcnew ReflectionGenerator;
      reflectionGen1->ResetIndex();
      while ( reflectionGen1->CreateReflection(  &reflection1 ) )
      {
         reflectionPerm1 = gcnew ReflectionPermission( reflection1 );
         reflectionGen2->ResetIndex();
         Console::WriteLine( "********************************************************\n" );
         try
         {
            reflectionPerm2 = dynamic_cast<ReflectionPermission^>(reflectionPerm1->Copy());
            Console::WriteLine( "Result of copy = {0}", reflectionPerm2 );
         }
         catch ( Exception^ e ) 
         {
            Console::WriteLine( "Copy failed : {0}{1}", reflectionPerm1, e );
            continue;
         }

      }

      return returnValue;
   }

   // 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 returnValue = true;
      ReflectionPermissionFlag reflection1;
      ReflectionPermission^ reflectionPerm1;
      ReflectionPermission^ reflectionPerm2;
      ReflectionGenerator^ reflectionGen1 = gcnew ReflectionGenerator;
      ReflectionGenerator^ reflectionGen2 = gcnew ReflectionGenerator;
      reflectionGen1->ResetIndex();
      while ( reflectionGen1->CreateReflection(  &reflection1 ) )
      {
         reflectionPerm1 = gcnew ReflectionPermission( reflection1 );
         Console::WriteLine( "********************************************************\n" );
         reflectionGen2->ResetIndex();
         try
         {
            reflectionPerm2 = gcnew ReflectionPermission( PermissionState::None );
            reflectionPerm2->FromXml( reflectionPerm1->ToXml() );
            Console::WriteLine( "Result of ToFromXml = {0}", reflectionPerm2 );
         }
         catch ( Exception^ e ) 
         {
            Console::WriteLine( "ToFromXml failed : {0}{1}", reflectionPerm1, e );
            continue;
         }

      }

      return returnValue;
   }


public:

   // Invoke all demos.
   bool runDemo()
   {
      bool returnCode = true;
      bool tempReturnCode;
      
      // Call the IsSubsetOf demo.
      if ( tempReturnCode = IsSubsetOfDemo() )
            Console::WriteLine( "IsSubsetOf demo completed successfully." );
      else
            Console::WriteLine( "IsSubsetOf demo failed." );

      returnCode = tempReturnCode && returnCode;
      
      // Call the Union demo.
      if ( tempReturnCode = UnionDemo() )
            Console::WriteLine( "Union demo completed successfully." );
      else
            Console::WriteLine( "Union demo failed." );

      returnCode = tempReturnCode && returnCode;
      
      // Call the Intersect demo.
      if ( tempReturnCode = IntersectDemo() )
            Console::WriteLine( "Intersect demo completed successfully." );
      else
            Console::WriteLine( "Intersect demo failed." );

      returnCode = tempReturnCode && returnCode;
      
      // Call the Copy demo.
      if ( tempReturnCode = CopyDemo() )
            Console::WriteLine( "Copy demo completed successfully." );
      else
            Console::WriteLine( "Copy demo failed." );

      returnCode = tempReturnCode && returnCode;
      
      // Call the ToFromXml demo.
      if ( tempReturnCode = ToFromXmlDemo() )
            Console::WriteLine( "ToFromXml demo completed successfully." );
      else
            Console::WriteLine( "ToFromXml demo failed." );

      returnCode = tempReturnCode && returnCode;
      return (returnCode);
   }

};


// Test harness.
int main()
{
   try
   {
      ReflectionPermissionDemo^ democase = gcnew ReflectionPermissionDemo;
      bool returnCode = democase->runDemo();
      if ( returnCode )
      {
         Console::WriteLine( "ReflectionPermission demo completed successfully." );
         Console::WriteLine( "Press the Enter key to exit." );
         Console::ReadLine();
         System::Environment::ExitCode = 100;
      }
      else
      {
         Console::WriteLine( "ReflectionPermission demo failed." );
         Console::WriteLine( "Press the Enter key to exit." );
         Console::ReadLine();
         System::Environment::ExitCode = 101;
      }
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "ReflectionPermission demo failed." );
      Console::WriteLine( e );
      Console::WriteLine( "Press the Enter key to exit." );
      Console::ReadLine();
      System::Environment::ExitCode = 101;
   }

}
import System.*;
import System.Security.*;
import System.Security.Permissions.*;

/** @assembly CLSCompliant(true)
 */

public class ReflectionPermissionDemo
{
    // IsSubsetOf determines whether the current permission is a 
    // subset of the specified permission.
    private boolean IsSubsetOfDemo() 
    {
        boolean returnValue = true;
        ReflectionPermissionFlag reflection1[] = 
            new ReflectionPermissionFlag[1] ;
        ReflectionPermissionFlag reflection2[] = 
            new ReflectionPermissionFlag[1] ;
        ReflectionPermission reflectionPerm1[] = 
            new ReflectionPermission[1] ;
        ReflectionPermission reflectionPerm2[] = 
            new ReflectionPermission[1];
        ReflectionGenerator reflectionGen1 =  
            new ReflectionGenerator();
        ReflectionGenerator reflectionGen2 =  
            new ReflectionGenerator();
        reflectionGen1.ResetIndex();
        while(reflectionGen1.CreateReflection(reflectionPerm1, reflection1)) {
            if (reflectionPerm1[0] == null) {
                continue ;
            }
            reflectionGen2.ResetIndex();
            Console.WriteLine("***************************************" 
                + "*****************\n");
            
            while(reflectionGen2.CreateReflection(
                reflectionPerm2, reflection2)) {
                if (reflectionPerm2[0] == null) {
                    continue ;
                }
                try {
                    if ( reflectionPerm1[0].IsSubsetOf(reflectionPerm2[0])) {
                        Console.WriteLine((reflectionPerm1[0].get_Flags() 
                            + " is a subset of " + 
                        reflectionPerm2[0].get_Flags()));
                    }
                    else {
                        Console.WriteLine((reflectionPerm1[0].get_Flags() 
                            + " is not a subset of " 
                            + reflectionPerm2[0].get_Flags()));
                    }
                }
                catch(System.Exception e) {
                    Console.WriteLine(("An exception was " 
                        + "thrown for subset :" + reflectionPerm1[0] + "\n" 
                        + reflectionPerm2[0] + "\n" + e));
                    returnValue = false;
                }
            }
        }
        return returnValue ;
    } //IsSubsetOfDemo

    // Union creates a new permission that is the union of the 
    // current permission and the specified permission.
    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

    // Intersect creates and returns a new permission that is the 
    // intersection of the current permission and the permission specified.
    private boolean IntersectDemo() 
    {
        boolean returnValue = true;
        ReflectionPermissionFlag reflection1[] = 
            new ReflectionPermissionFlag[1];
        ReflectionPermissionFlag reflection2[] = 
            new ReflectionPermissionFlag[1];
        ReflectionPermission reflectionPerm1[] = 
            new ReflectionPermission[1];
        ReflectionPermission reflectionPerm2[] = 
            new ReflectionPermission[1];
        ReflectionPermission 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].Intersect(reflectionPerm2[0])));
                if (reflectionPerm3  != null) {
                    Console.WriteLine(("The intersection of " 
                        + reflection1[0] + " and " 
                        + reflection2[0] + " = " 
                        + ((ReflectionPermission)(reflectionPerm3)).
                        get_Flags().ToString()));
                }
                else {
                    Console.WriteLine(("The intersection of " 
                        + reflection1[0] + " and " + reflection2[0] 
                        + " is null."));
                }
            }
        }
        return returnValue ;
    } //IntersectDemo   
        
    //Copy creates and returns an identical copy of the current permission.
    private boolean CopyDemo() 
    {
        boolean returnValue = true;
        ReflectionPermissionFlag reflection1[] = 
            new ReflectionPermissionFlag[1];
        ReflectionPermission reflectionPerm1[] = 
            new ReflectionPermission[1];
        ReflectionPermission reflectionPerm2[] = 
            new ReflectionPermission[1];
        ReflectionGenerator reflectionGen1 =  
            new ReflectionGenerator();
        ReflectionGenerator reflectionGen2 =  
            new ReflectionGenerator();
        reflectionGen1.ResetIndex();
        
        while(reflectionGen1.CreateReflection(reflectionPerm1, reflection1)) {
            if (reflectionPerm1[0] == null) {
                continue ;
            }
            reflectionGen2.ResetIndex();
            Console.WriteLine("*********************************" 
                + "***********************\n");
            try {
            reflectionPerm2[0] =((ReflectionPermission)(
            reflectionPerm1[0].Copy()));
            Console.WriteLine(("Result of copy = " 
                + reflectionPerm2[0].ToString()));
            } 
            catch(System.Exception  e){
                Console.WriteLine(("Copy failed :" 
                    + reflectionPerm1[0].ToString() + e));
                continue ;
            }
        }
        return returnValue ;
    } //CopyDemo   

    // 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 returnValue = true;
        ReflectionPermissionFlag reflection1[] = 
            new ReflectionPermissionFlag[1];
        ReflectionPermission reflectionPerm1[] = 
            new ReflectionPermission[1];
        ReflectionPermission reflectionPerm2[] = 
            new ReflectionPermission[1];
        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();
            try {
                reflectionPerm2[0] = 
                    new ReflectionPermission(PermissionState.None);
                reflectionPerm2[0].FromXml(reflectionPerm1[0].ToXml());
                Console.WriteLine(("Result of ToFromXml = " 
                    + reflectionPerm2[0].ToString()));
            }
            catch(System.Exception e) {
                Console.WriteLine(("ToFromXml failed :" 
                    + reflectionPerm1[0].ToString() + e));
                continue ;
            }
        }
        return returnValue ;
    } //ToFromXmlDemo    

    // Invoke all demos.
    public boolean runDemo() 
    {
        boolean returnCode = true;
        boolean tempReturnCode;
        
        // Call the IsSubsetOf demo.
        if (tempReturnCode = IsSubsetOfDemo()) {
            Console.get_Out().WriteLine("IsSubsetOf demo " 
                + "completed successfully.");
        }
        else {
            Console.get_Out().WriteLine("IsSubsetOf demo failed.");
        }
        returnCode = tempReturnCode && returnCode;
        
        // Call the Union demo.
        if (tempReturnCode = UnionDemo()) {
            Console.get_Out().WriteLine("Union demo completed successfully.");
        }
        else {
            Console.get_Out().WriteLine("Union demo failed.");
        }
        returnCode = tempReturnCode && returnCode;
        
        // Call the Intersect demo.
        if (tempReturnCode = IntersectDemo()) {
            Console.get_Out().WriteLine("Intersect demo completed " 
                + "successfully.");
        }
        else {
            Console.get_Out().WriteLine("Intersect demo failed.");
        }
        returnCode = tempReturnCode && returnCode;
        
        // Call the Copy demo.
        if (tempReturnCode = CopyDemo()) {
            Console.get_Out().WriteLine("Copy demo completed successfully.");
        }
        else {
            Console.get_Out().WriteLine("Copy demo failed.");
        }
        returnCode = tempReturnCode && returnCode;
        
        // Call the ToFromXml demo.
        if (tempReturnCode = ToFromXmlDemo()) {
            Console.get_Out().WriteLine("ToFromXml demo completed " 
                + "successfully.");
        }
        else {
            Console.get_Out().WriteLine("ToFromXml demo failed.");
        }
        returnCode = tempReturnCode && returnCode;
        return returnCode ;
    } //runDemo   
    // Test harness.
    public static void main(String[] args)
    {
        try {
            ReflectionPermissionDemo democase =  
                new ReflectionPermissionDemo();
            boolean returnCode = democase.runDemo();
            if (returnCode) {
                Console.get_Out().WriteLine("ReflectionPermission " 
                    + "demo completed successfully.");
                Console.get_Out().WriteLine("Press the Enter key to exit.");
                String consoleInput = Console.ReadLine();
                System.Environment.set_ExitCode(100);
            }
            else {
                Console.get_Out().WriteLine(
                    "ReflectionPermission demo failed.");
                Console.get_Out().WriteLine("Press the Enter key to exit.");
                String consoleInput = Console.ReadLine();
                System.Environment.set_ExitCode(101);
            }
        }
        catch(System.Exception e) {
            Console.get_Out().WriteLine("ReflectionPermission demo failed.");
            Console.WriteLine(e.ToString());
            Console.get_Out().WriteLine("Press the Enter key to exit.");
            String consoleInput = Console.ReadLine();
            System.Environment.set_ExitCode(101);
        }
    } //main
} //ReflectionPermissionDemo

// This class generates ReflectionPermission objects.
class ReflectionGenerator
{
    private ReflectionPermissionFlag myReflection[] =  {
        ReflectionPermissionFlag.AllFlags, 
        ReflectionPermissionFlag.MemberAccess, 
        ReflectionPermissionFlag.NoFlags, 
        ReflectionPermissionFlag.ReflectionEmit, 
        ReflectionPermissionFlag.TypeInformation};   
    
    private int reflectionIndex = 0;

    public ReflectionGenerator() 
    {
        ResetIndex();
    } //ReflectionGenerator

    public void ResetIndex() 
    {
        reflectionIndex = 0;
    } //ResetIndex

    // CreateReflection creates a ReflectionPermission object.
    public boolean CreateReflection(ReflectionPermission reflectionPerm[],
        ReflectionPermissionFlag reflection[]) 
    {
        if (reflectionIndex >= myReflection.length) {
            reflectionPerm[0] = new ReflectionPermission(PermissionState.None);

            reflection[0] = ReflectionPermissionFlag.NoFlags;
            reflectionIndex++;
            return false ;
        }
        reflection[0] = myReflection[reflectionIndex ++];
        try {
            reflectionPerm[0] = new ReflectionPermission(reflection[0]);
            return true ;
        }
        catch(System.Exception  e){
            Console.WriteLine(("Cannot create ReflectionPermission: " 
                + reflection[0] + " " + e));
            reflectionPerm[0] = new ReflectionPermission(PermissionState.None);
            reflection[0] = ReflectionPermissionFlag.NoFlags;
            return true ;
        }
    } //CreateReflection
} //ReflectionGenerator

상속 계층 구조

System.Object
   System.Security.CodeAccessPermission
    System.Security.Permissions.ReflectionPermission

스레드로부터의 안전성

이 형식의 모든 public static(Visual Basic의 경우 Shared) 멤버는 스레드로부터 안전합니다. 인터페이스 멤버는 스레드로부터 안전하지 않습니다.

플랫폼

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

.NET Framework에서 모든 플래폼의 모든 버전을 지원하지는 않습니다. 지원되는 버전의 목록은 시스템 요구 사항을 참조하십시오.

버전 정보

.NET Framework

2.0, 1.1, 1.0에서 지원

참고 항목

참조

ReflectionPermission 멤버
System.Security.Permissions 네임스페이스
ReflectionPermissionAttribute
ReflectionPermissionFlag

기타 리소스

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