SecurityPermissionAttribute Constructor (System.Security.Permissions)

SecurityPermissionAttribute Constru...

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Microsoft Visual Studio 2008/.NET Framework 3.5

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.NET Framework Class Library

SecurityPermissionAttribute Constructor

Initializes a new instance of the SecurityPermissionAttribute class with the specified SecurityAction.

Namespace: System.Security.Permissions
Assembly: mscorlib (in mscorlib.dll)

Syntax

Visual Basic (Declaration)

Public Sub New ( _
    action As SecurityAction _
)

Visual Basic (Usage)

Dim action As SecurityAction

Dim instance As New SecurityPermissionAttribute(action)

public SecurityPermissionAttribute(
    SecurityAction action
)

Visual C++

public:
SecurityPermissionAttribute(
    SecurityAction action
)

JScript

public function SecurityPermissionAttribute(
    action : SecurityAction
)

Parameters

action: Type: System.Security.Permissions..::.SecurityAction
One of the SecurityAction values.

Examples

The following code example shows the use of the SecurityPermissionAttribute constructor to create instances of the SecurityPermissionAttribute class that are used to deny and demand security permissions.

Visual Basic

' This sample demonstrates the use of the SecurityPermissionAttribute.
Imports System
Imports System.Security.Permissions
Imports System.Security
Imports Microsoft.VisualBasic



Class [MyClass]

    Public Shared Sub PermissionDemo()
        Try
            DenySecurityPermissions()
            DenyAllSecurityPermissions()
            DoNotDenySecurityPermissions()
        Catch e As Exception
            Console.WriteLine(e.Message.ToString())
        End Try
    End Sub 'PermissionDemo




    ' This method demonstrates the use of the SecurityPermissionAttribute to deny individual security permissions.
    ' Set the Assertion,UnmanagedCode, ControlAppDomain, ControlDomainPolicy, ontrolEvidence, 
    ' ControlPolicy, ControlPrincipal, ControlThread, Execution, Flags, Infrastructure, 
    ' RemotingConfiguration, SerializationFormatter, and SkipVerification properties.
    <SecurityPermissionAttribute(SecurityAction.Deny, Assertion:=True), _
    SecurityPermissionAttribute(SecurityAction.Deny, ControlAppDomain:=True), _
    SecurityPermissionAttribute(SecurityAction.Deny, ControlDomainPolicy:=True), _
    SecurityPermissionAttribute(SecurityAction.Deny, ControlEvidence:=True), _
    SecurityPermissionAttribute(SecurityAction.Deny, ControlPolicy:=True), _
    SecurityPermissionAttribute(SecurityAction.Deny, ControlPrincipal:=True), _
    SecurityPermissionAttribute(SecurityAction.Deny, ControlThread:=True), _
    SecurityPermissionAttribute(SecurityAction.Deny, Execution:=True), _
    SecurityPermissionAttribute(SecurityAction.Deny, Flags:=SecurityPermissionFlag.NoFlags), _
    SecurityPermissionAttribute(SecurityAction.Deny, Infrastructure:=True), _
    SecurityPermissionAttribute(SecurityAction.Deny, RemotingConfiguration:=True), _
    SecurityPermissionAttribute(SecurityAction.Deny, SerializationFormatter:=True), _
    SecurityPermissionAttribute(SecurityAction.Deny, SkipVerification:=True), _
    SecurityPermissionAttribute(SecurityAction.Deny, UnmanagedCode:=True)> _
    Public Shared Sub DenySecurityPermissions()
        Console.WriteLine("Executing DenySecurityPermissions.")
        Console.WriteLine("Denied all permissions individually.")
        TestSecurityPermissions()
    End Sub 'DenySecurityPermissions


    ' This method demonstrates the use of SecurityPermissionFlag.AllFlags to deny all security permissions.
    <SecurityPermissionAttribute(SecurityAction.Deny, Flags:=SecurityPermissionFlag.AllFlags)> _
    Public Shared Sub DenyAllSecurityPermissions()
        Console.WriteLine(ControlChars.Lf & "Executing DenyAllSecurityPermissions.")
        Console.WriteLine("Denied all permissions using SecurityPermissionFlag.AllFlags.")
        TestSecurityPermissions()
    End Sub 'DenyAllSecurityPermissions


    ' This method demonstrates the effect of not denying security permissions.
    Public Shared Sub DoNotDenySecurityPermissions()
        Console.WriteLine(ControlChars.Lf & "Executing DoNotDenySecurityPermissions.")
        Console.WriteLine("No permissions have been denied.")
        DemandSecurityPermissions()
    End Sub 'DoNotDenySecurityPermissions


    Public Shared Sub TestSecurityPermissions()
        Console.WriteLine(ControlChars.Lf & "Executing TestSecurityPermissions." & ControlChars.Lf)
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.Assertion)
            Console.WriteLine("Demanding SecurityPermissionFlag.Assertion")
            ' This demand should cause an exception.
            sp.Demand()
            ' The TestFailed method is called if an exception is not thrown.
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.Assertion failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.ControlAppDomain)
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlAppDomain")
            sp.Demand()
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.ControlAppDomain failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.ControlDomainPolicy)
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlDomainPolicy")
            sp.Demand()
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.ControlDomainPolicy failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.ControlEvidence)
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlEvidence")
            sp.Demand()
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.ControlEvidence failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.ControlPolicy)
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlPolicy")
            sp.Demand()
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.ControlPolicy failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.ControlPrincipal)
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlPrincipal")
            sp.Demand()
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.ControlPrincipal failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.ControlThread)
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlThread")
            sp.Demand()
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.ControlThread failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.Execution)
            Console.WriteLine("Demanding SecurityPermissionFlag.Execution")
            sp.Demand()
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.Execution failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.Infrastructure)
            Console.WriteLine("Demanding SecurityPermissionFlag.Infrastructure")
            sp.Demand()
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.Infrastructure failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.RemotingConfiguration)
            Console.WriteLine("Demanding SecurityPermissionFlag.RemotingConfiguration")
            sp.Demand()
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.RemotingConfiguration failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.SerializationFormatter)
            Console.WriteLine("Demanding SecurityPermissionFlag.SerializationFormatter")
            sp.Demand()
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.SerializationFormatter failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.SkipVerification)
            Console.WriteLine("Demanding SecurityPermissionFlag.SkipVerification")
            sp.Demand()
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.SkipVerification failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.UnmanagedCode)
            Console.WriteLine("Demanding SecurityPermissionFlag.UnmanagedCode")
            ' This demand should cause an exception.
            sp.Demand()
            ' The TestFailed method is called if an exception is not thrown.
            TestFailed()
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.UnmanagedCode failed: " & e.Message))
        End Try
    End Sub 'TestSecurityPermissions


    Public Shared Sub TestFailed()
        Console.WriteLine("In TestFailed method.")
        Console.WriteLine("Throwing an exception.")
        Throw New Exception()
    End Sub 'TestFailed

    Public Shared Sub DemandSecurityPermissions()
        Console.WriteLine(ControlChars.Lf & "Executing DemandSecurityPermissions." & ControlChars.Lf)
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.Assertion)
            Console.WriteLine("Demanding SecurityPermissionFlag.Assertion")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.Assertion succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.Assertion failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.ControlAppDomain)
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlAppDomain")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlAppDomain succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.ControlAppDomain failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.ControlDomainPolicy)
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlDomainPolicy")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlDomainPolicy succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.ControlDomainPolicy failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.ControlEvidence)
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlEvidence")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlEvidence succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.ControlEvidence failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.ControlPolicy)
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlPolicy")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlPolicy succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.ControlPolicy failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.ControlPrincipal)
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlPrincipal")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlPrincipal succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.ControlPrincipal failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.ControlThread)
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlThread")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlThread succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.ControlThread failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.Execution)
            Console.WriteLine("Demanding SecurityPermissionFlag.Execution")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.Execution succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.Execution failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.Infrastructure)
            Console.WriteLine("Demanding SecurityPermissionFlag.Infrastructure")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.Infrastructure succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.Infrastructure failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.RemotingConfiguration)
            Console.WriteLine("Demanding SecurityPermissionFlag.RemotingConfiguration")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.RemotingConfiguration succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.RemotingConfiguration failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.SerializationFormatter)
            Console.WriteLine("Demanding SecurityPermissionFlag.SerializationFormatter")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.SerializationFormatter succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.SerializationFormatter failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.SkipVerification)
            Console.WriteLine("Demanding SecurityPermissionFlag.SkipVerification")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.SkipVerification succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.SkipVerification failed: " & e.Message))
        End Try
        Try
            Dim sp As New SecurityPermission(SecurityPermissionFlag.UnmanagedCode)
            Console.WriteLine("Demanding SecurityPermissionFlag.UnmanagedCode")
            sp.Demand()
            Console.WriteLine("Demand for SecurityPermissionFlag.UnmanagedCode succeeded.")
        Catch e As Exception
            Console.WriteLine(("Demand for SecurityPermissionFlag.UnmanagedCode failed: " & e.Message))
        End Try
    End Sub 'DemandSecurityPermissions

    Overloads Shared Sub Main(ByVal args() As String)
        PermissionDemo()
    End Sub 'Main
End Class '[MyClass]

// This sample demonstrates the use of the SecurityPermissionAttribute.

using System;
using System.Security.Permissions;
using System.Security;


class MyClass
{
    public static void PermissionDemo()
    {
        try
        {
            DenySecurityPermissions();
            DenyAllSecurityPermissions();
            DoNotDenySecurityPermissions();
        }
        catch (Exception e)
        {
            Console.WriteLine(e.Message.ToString());
        }



    }

    // This method demonstrates the use of the SecurityPermissionAttribute to deny individual security permissions.
    // Set the Assertion property.
    [SecurityPermissionAttribute(SecurityAction.Deny, Assertion = true)]
        // Set the ControlAppDomain property.
    [SecurityPermissionAttribute(SecurityAction.Deny, ControlAppDomain = true)]
        // Set the ControlDomainPolicy property.
    [SecurityPermissionAttribute(SecurityAction.Deny, ControlDomainPolicy = true)]
        // Set the ControlEvidence property.
    [SecurityPermissionAttribute(SecurityAction.Deny, ControlEvidence = true)]
        // Set the ControlPolicy property.
    [SecurityPermissionAttribute(SecurityAction.Deny, ControlPolicy = true)]
        // Set the ControlPrincipal property.
    [SecurityPermissionAttribute(SecurityAction.Deny, ControlPrincipal = true)]
        // Set the ControlThread property.
    [SecurityPermissionAttribute(SecurityAction.Deny, ControlThread = true)]
        // Set the Execution property.
    [SecurityPermissionAttribute(SecurityAction.Deny, Execution = true)]
        // Set the Flags property.
    [SecurityPermissionAttribute(SecurityAction.Deny, Flags = SecurityPermissionFlag.NoFlags)]
        // Set the Infrastructure property.
    [SecurityPermissionAttribute(SecurityAction.Deny, Infrastructure = true)]
        // Set the RemotingConfiguration property.
    [SecurityPermissionAttribute(SecurityAction.Deny, RemotingConfiguration = true)]
        // Set the SerializationFormatter property.
    [SecurityPermissionAttribute(SecurityAction.Deny, SerializationFormatter = true)]
        // Set the SkipVerification property.
    [SecurityPermissionAttribute(SecurityAction.Deny, SkipVerification = true)]
        // Set the UnmanagedCode property.
    [SecurityPermissionAttribute(SecurityAction.Deny, UnmanagedCode = true)]

    public static void DenySecurityPermissions()
    {
        Console.WriteLine("Executing DenySecurityPermissions.");
        Console.WriteLine("Denied all permissions individually.");
        TestSecurityPermissions();
    }

    // This method demonstrates the use of SecurityPermissionFlag.AllFlags to deny all security permissions.
    [SecurityPermissionAttribute(SecurityAction.Deny, Flags = SecurityPermissionFlag.AllFlags)]
    public static void DenyAllSecurityPermissions()
    {
        Console.WriteLine("\nExecuting DenyAllSecurityPermissions.");
        Console.WriteLine("Denied all permissions using SecurityPermissionFlag.AllFlags.");
        TestSecurityPermissions();
    }

    // This method demonstrates the effect of not denying security permissions.
    public static void DoNotDenySecurityPermissions()
    {
        Console.WriteLine("\nExecuting DoNotDenySecurityPermissions.");
        Console.WriteLine("No permissions have been denied.");
        DemandSecurityPermissions();
    }

    public static void TestSecurityPermissions()
    {
        Console.WriteLine("\nExecuting TestSecurityPermissions.\n");
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.Assertion);
            Console.WriteLine("Demanding SecurityPermissionFlag.Assertion");
            // This demand should cause an exception.
            sp.Demand();
            // The TestFailed method is called if an exception is not thrown.
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.Assertion failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.ControlAppDomain);
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlAppDomain");
            sp.Demand();
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlAppDomain failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.ControlDomainPolicy);
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlDomainPolicy");
            sp.Demand();
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlDomainPolicy failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.ControlEvidence);
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlEvidence");
            sp.Demand();
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlEvidence failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.ControlPolicy);
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlPolicy");
            sp.Demand();
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlPolicy failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.ControlPrincipal);
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlPrincipal");
            sp.Demand();
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlPrincipal failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.ControlThread);
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlThread");
            sp.Demand();
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlThread failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.Execution);
            Console.WriteLine("Demanding SecurityPermissionFlag.Execution");
            sp.Demand();
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.Execution failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.Infrastructure);
            Console.WriteLine("Demanding SecurityPermissionFlag.Infrastructure");
            sp.Demand();
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.Infrastructure failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.RemotingConfiguration);
            Console.WriteLine("Demanding SecurityPermissionFlag.RemotingConfiguration");
            sp.Demand();
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.RemotingConfiguration failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.SerializationFormatter);
            Console.WriteLine("Demanding SecurityPermissionFlag.SerializationFormatter");
            sp.Demand();
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.SerializationFormatter failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.SkipVerification);
            Console.WriteLine("Demanding SecurityPermissionFlag.SkipVerification");
            sp.Demand();
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.SkipVerification failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.UnmanagedCode);
            Console.WriteLine("Demanding SecurityPermissionFlag.UnmanagedCode");
            // This demand should cause an exception.
            sp.Demand();
            // The TestFailed method is called if an exception is not thrown.
            TestFailed();
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.UnmanagedCode failed: " + e.Message);
        }

    }

    public static void TestFailed()
    {
        Console.WriteLine("In TestFailed method.");
        Console.WriteLine("Throwing an exception.");
        throw new Exception();
    }
    
    public static void DemandSecurityPermissions()
    {
        Console.WriteLine("\nExecuting DemandSecurityPermissions.\n");
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.Assertion);
            Console.WriteLine("Demanding SecurityPermissionFlag.Assertion");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.Assertion succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.Assertion failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.ControlAppDomain);
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlAppDomain");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlAppDomain succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlAppDomain failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.ControlDomainPolicy);
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlDomainPolicy");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlDomainPolicy succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlDomainPolicy failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.ControlEvidence);
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlEvidence");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlEvidence succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlEvidence failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.ControlPolicy);
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlPolicy");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlPolicy succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlPolicy failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.ControlPrincipal);
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlPrincipal");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlPrincipal succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlPrincipal failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.ControlThread);
            Console.WriteLine("Demanding SecurityPermissionFlag.ControlThread");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlThread succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.ControlThread failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.Execution);
            Console.WriteLine("Demanding SecurityPermissionFlag.Execution");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.Execution succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.Execution failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.Infrastructure);
            Console.WriteLine("Demanding SecurityPermissionFlag.Infrastructure");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.Infrastructure succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.Infrastructure failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.RemotingConfiguration);
            Console.WriteLine("Demanding SecurityPermissionFlag.RemotingConfiguration");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.RemotingConfiguration succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.RemotingConfiguration failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.SerializationFormatter);
            Console.WriteLine("Demanding SecurityPermissionFlag.SerializationFormatter");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.SerializationFormatter succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.SerializationFormatter failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.SkipVerification);
            Console.WriteLine("Demanding SecurityPermissionFlag.SkipVerification");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.SkipVerification succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.SkipVerification failed: " + e.Message);
        }
        try
        {
            SecurityPermission sp =
                new SecurityPermission(SecurityPermissionFlag.UnmanagedCode);
            Console.WriteLine("Demanding SecurityPermissionFlag.UnmanagedCode");
            sp.Demand();
            Console.WriteLine("Demand for SecurityPermissionFlag.UnmanagedCode succeeded.");
        }
        catch (Exception e)
        {
            Console.WriteLine("Demand for SecurityPermissionFlag.UnmanagedCode failed: " + e.Message);
        }

    }

    static void Main(string[] args)
    {
        PermissionDemo();
    }

}

Visual C++

// This sample demonstrates the use of the SecurityPermissionAttribute.
using namespace System;
using namespace System::Security::Permissions;
using namespace System::Security;
class MyClass
{
public:
   static void PermissionDemo()
   {
      try
      {
         DenySecurityPermissions();
         DenyAllSecurityPermissions();
         DoNotDenySecurityPermissions();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( e->Message );
      }

   }


   // This method demonstrates the use of the SecurityPermissionAttribute to deny individual security permissions.
   // Set the Assertion property.
   [SecurityPermissionAttribute(SecurityAction::Deny,Assertion=true)]
   // Set the ControlAppDomain property.
   [SecurityPermissionAttribute(SecurityAction::Deny,ControlAppDomain=true)]
   // Set the ControlDomainPolicy property.
   [SecurityPermissionAttribute(SecurityAction::Deny,ControlDomainPolicy=true)]
   [SecurityPermissionAttribute(SecurityAction::Deny,ControlEvidence=true)]
   // Set the ControlEvidence property.
   [SecurityPermissionAttribute(SecurityAction::Deny,ControlPolicy=true)]
   // Set the ControlPolicy property.
   [SecurityPermissionAttribute(SecurityAction::Deny,ControlPrincipal=true)]
   // Set the ControlPrincipal property.
   // Set the ControlThread property.
   [SecurityPermissionAttribute(SecurityAction::Deny,ControlThread=true)]
   // Set the Execution property.
   [SecurityPermissionAttribute(SecurityAction::Deny,Execution=true)]
   // Set the Flags property.
   [SecurityPermissionAttribute(SecurityAction::Deny,Flags=SecurityPermissionFlag::NoFlags)]
   // Set the Infrastructure property.
   [SecurityPermissionAttribute(SecurityAction::Deny,Infrastructure=true)]
   // Set the RemotingConfiguration property.
   [SecurityPermissionAttribute(SecurityAction::Deny,RemotingConfiguration=true)]
   // Set the SerializationFormatter property.
   [SecurityPermissionAttribute(SecurityAction::Deny,SerializationFormatter=true)]
   // Set the SkipVerification property.
   [SecurityPermissionAttribute(SecurityAction::Deny,SkipVerification=true)]
   // Set the UnmanagedCode property.
   [SecurityPermissionAttribute(SecurityAction::Deny,UnmanagedCode=true)]

   static void DenySecurityPermissions()
   {
      Console::WriteLine( "Executing DenySecurityPermissions." );
      Console::WriteLine( "Denied all permissions individually." );
      TestSecurityPermissions();
   }


   // This method demonstrates the use of SecurityPermissionFlag::AllFlags to deny all security permissions.

   [SecurityPermissionAttribute(SecurityAction::Deny,Flags=SecurityPermissionFlag::AllFlags)]
   static void DenyAllSecurityPermissions()
   {
      Console::WriteLine( "\nExecuting DenyAllSecurityPermissions." );
      Console::WriteLine( "Denied all permissions using SecurityPermissionFlag::AllFlags." );
      TestSecurityPermissions();
   }


   // This method demonstrates the effect of not denying security permissions.
   static void DoNotDenySecurityPermissions()
   {
      Console::WriteLine( "\nExecuting DoNotDenySecurityPermissions." );
      Console::WriteLine( "No permissions have been denied." );
      DemandSecurityPermissions();
   }

   static void TestSecurityPermissions()
   {
      Console::WriteLine( "\nExecuting TestSecurityPermissions.\n" );
      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::Assertion );
         Console::WriteLine( "Demanding SecurityPermissionFlag::Assertion" );

         // This demand should cause an exception.
         sp->Demand();

         // The TestFailed method is called if an exception is not thrown.
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::Assertion failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::ControlAppDomain );
         Console::WriteLine( "Demanding SecurityPermissionFlag::ControlAppDomain" );
         sp->Demand();
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlAppDomain failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::ControlDomainPolicy );
         Console::WriteLine( "Demanding SecurityPermissionFlag::ControlDomainPolicy" );
         sp->Demand();
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlDomainPolicy failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::ControlEvidence );
         Console::WriteLine( "Demanding SecurityPermissionFlag::ControlEvidence" );
         sp->Demand();
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlEvidence failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::ControlPolicy );
         Console::WriteLine( "Demanding SecurityPermissionFlag::ControlPolicy" );
         sp->Demand();
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlPolicy failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::ControlPrincipal );
         Console::WriteLine( "Demanding SecurityPermissionFlag::ControlPrincipal" );
         sp->Demand();
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlPrincipal failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::ControlThread );
         Console::WriteLine( "Demanding SecurityPermissionFlag::ControlThread" );
         sp->Demand();
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlThread failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::Execution );
         Console::WriteLine( "Demanding SecurityPermissionFlag::Execution" );
         sp->Demand();
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::Execution failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::Infrastructure );
         Console::WriteLine( "Demanding SecurityPermissionFlag::Infrastructure" );
         sp->Demand();
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::Infrastructure failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::RemotingConfiguration );
         Console::WriteLine( "Demanding SecurityPermissionFlag::RemotingConfiguration" );
         sp->Demand();
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::RemotingConfiguration failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::SerializationFormatter );
         Console::WriteLine( "Demanding SecurityPermissionFlag::SerializationFormatter" );
         sp->Demand();
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::SerializationFormatter failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::SkipVerification );
         Console::WriteLine( "Demanding SecurityPermissionFlag::SkipVerification" );
         sp->Demand();
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::SkipVerification failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::UnmanagedCode );
         Console::WriteLine( "Demanding SecurityPermissionFlag::UnmanagedCode" );

         // This demand should cause an exception.
         sp->Demand();

         // The TestFailed method is called if an exception is not thrown.
         TestFailed();
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::UnmanagedCode failed: {0}", e->Message );
      }

   }

   static void TestFailed()
   {
      Console::WriteLine( "In TestFailed method." );
      Console::WriteLine( "Throwing an exception." );
      throw gcnew Exception;
   }

   static void DemandSecurityPermissions()
   {
      Console::WriteLine( "\nExecuting DemandSecurityPermissions.\n" );
      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::Assertion );
         Console::WriteLine( "Demanding SecurityPermissionFlag::Assertion" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::Assertion succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::Assertion failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::ControlAppDomain );
         Console::WriteLine( "Demanding SecurityPermissionFlag::ControlAppDomain" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlAppDomain succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlAppDomain failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::ControlDomainPolicy );
         Console::WriteLine( "Demanding SecurityPermissionFlag::ControlDomainPolicy" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlDomainPolicy succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlDomainPolicy failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::ControlEvidence );
         Console::WriteLine( "Demanding SecurityPermissionFlag::ControlEvidence" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlEvidence succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlEvidence failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::ControlPolicy );
         Console::WriteLine( "Demanding SecurityPermissionFlag::ControlPolicy" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlPolicy succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlPolicy failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::ControlPrincipal );
         Console::WriteLine( "Demanding SecurityPermissionFlag::ControlPrincipal" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlPrincipal succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlPrincipal failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::ControlThread );
         Console::WriteLine( "Demanding SecurityPermissionFlag::ControlThread" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlThread succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::ControlThread failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::Execution );
         Console::WriteLine( "Demanding SecurityPermissionFlag::Execution" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::Execution succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::Execution failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::Infrastructure );
         Console::WriteLine( "Demanding SecurityPermissionFlag::Infrastructure" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::Infrastructure succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::Infrastructure failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::RemotingConfiguration );
         Console::WriteLine( "Demanding SecurityPermissionFlag::RemotingConfiguration" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::RemotingConfiguration succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::RemotingConfiguration failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::SerializationFormatter );
         Console::WriteLine( "Demanding SecurityPermissionFlag::SerializationFormatter" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::SerializationFormatter succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::SerializationFormatter failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::SkipVerification );
         Console::WriteLine( "Demanding SecurityPermissionFlag::SkipVerification" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::SkipVerification succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::SkipVerification failed: {0}", e->Message );
      }

      try
      {
         SecurityPermission^ sp = gcnew SecurityPermission( SecurityPermissionFlag::UnmanagedCode );
         Console::WriteLine( "Demanding SecurityPermissionFlag::UnmanagedCode" );
         sp->Demand();
         Console::WriteLine( "Demand for SecurityPermissionFlag::UnmanagedCode succeeded." );
      }
      catch ( Exception^ e ) 
      {
         Console::WriteLine( "Demand for SecurityPermissionFlag::UnmanagedCode failed: {0}", e->Message );
      }

   }

};

int main()
{
   MyClass::PermissionDemo();
}

Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

Reference

SecurityPermissionAttribute Class

SecurityPermissionAttribute Members

System.Security.Permissions Namespace