Updated: August 2008
Specifies that code or an assembly performs security-critical operations.
Assembly: mscorlib (in mscorlib.dll)
Security-critical operations are actions that affect code access security, such as elevation of privilege through suppression of code access security checks by using the Assert method, calling unsafe managed code, and so forth. Either the attribute or the SecuritySafeCriticalAttribute attribute must be applied to code for the code to perform security-critical operations.
Applying the at the assembly level identifies it as a security-critical assembly. The entire assembly can be identified as critical by setting the scope parameter Everything.
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.