PermissionSet.RemovePermission Method

Removes a permission of a certain type from the set.

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

public IPermission RemovePermission (
	Type permClass
)
public IPermission RemovePermission (
	Type permClass
)
public function RemovePermission (
	permClass : Type
) : IPermission

Parameters

permClass

The Type of permission to delete.

Return Value

The permission removed from the set.

NoteImportant:

You cannot remove permissions from an unrestricted permission set. The permission set remains unrestricted after you attempt to remove the permission, and an exception is not thrown.

The following C# code attempts to remove the FileIOPermission from the FullTrust permission set, but the permission is not removed.

PolicyLevel myPol = PolicyLevel.CreateAppDomainLevel();
PermissionSet myPermSet = myPol.GetNamedPermissionSet("FullTrust");
myPermSet.RemovePermission(typeof(FileIOPermission));

The following code example shows the use of the RemovePermission method to remove a FileIOPermission from a permission set. This code example is part of a larger example provided for the PermissionSet class.

// Remove FileIOPermission from the permission set.
ps5.RemovePermission(typeof(FileIOPermission));
Console.WriteLine("The last permission set after removing FileIOPermission = "
    + ps5.ToString());

// Remove FileIOPermission from the permission set.
ps5.RemovePermission(FileIOPermission.class.ToType());
Console.WriteLine(
    ("The last permission set after removing FileIOPermission = "
    + ps5.ToString()));

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

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

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