Retrieves the library identifier (LIBID) that is assigned to a type library when it was exported from the specified assembly.
Assembly: mscorlib (in mscorlib.dll)
[SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)] public static Guid GetTypeLibGuidForAssembly( Assembly asm )
When assemblies are exported to type libraries, the type library is assigned a LIBID. You can set the LIBID explicitly by applying the System.Runtime.InteropServices.GuidAttribute at the assembly level, or it can be generated automatically. The Type Library Exporter (Tlbexp.exe) calculates a LIBID value based on the identity of the assembly. GetTypeLibGuid returns the LIBID associated with the GuidAttribute, if the attribute is applied. Otherwise, returns the calculated value. Alternatively, you can use the Marshal.GetTypeLibGuid method to extract the actual LIBID from an existing type library.
This method uses SecurityAction.LinkDemand to prevent it from being called from untrusted code; only the immediate caller is required to have SecurityPermissionAttribute.UnmanagedCode permission. If your code can be called from partially trusted code, do not pass user input to Marshal class methods without validation. For important limitations on using the LinkDemand member, see Demand vs. LinkDemand.
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.