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PermissionSet.RemovePermissionImpl Method

Removes a permission of a certain type from the set.

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

protected virtual IPermission RemovePermissionImpl(
	Type permClass


Type: System.Type
The type of the permission to remove.

Return Value

Type: System.Security.IPermission
The permission removed from the set.


The method is called from a ReadOnlyPermissionSet.

The RemovePermissionImpl method is the implementation for the RemovePermission method.

Important 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.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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