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.NET Development
.NET Framework 3.5
PermissionSet Class
 Assert Method

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This page is specific to
Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:
.NET Framework Class Library
PermissionSet..::.Assert Method

Declares that the calling code can access the resource protected by a permission demand through the code that calls this method, even if callers higher in the stack have not been granted permission to access the resource. Using Assert can create security vulnerabilities.

Namespace:  System.Security
Assembly:  mscorlib (in mscorlib.dll)
Visual Basic (Declaration)
Public Sub Assert
Visual Basic (Usage)
Dim instance As PermissionSet

instance.Assert()
C#
public void Assert()
Visual C++
public:
virtual void Assert() sealed
JScript
public final function Assert()

Implements

IStackWalk..::.Assert()()()
ExceptionCondition
SecurityException

The PermissionSet instance asserted has not been granted to the asserting code.

-or-

There is already an active Assert for the current frame.

This is the only way to assert multiple permissions at the same time within a frame because only one Assert can be active on a frame. Assert is only effective for granted permissions. Call the CodeAccessPermission..::.RevertAssert or CodeAccessPermission..::.RevertAll method to cancel an active Assert.

Caution noteCaution:

Because calling the Assert method removes the requirement that all code in the call chain must be granted permission to access the specified resource, it can open up security vulnerabilities if used incorrectly or inappropriately. Therefore, it should be used with great caution.

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.

.NET Framework

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