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Marshal.GetTypeLibGuid Method (ITypeLib)

Retrieves the library identifier (LIBID) of a type library.

Namespace: System.Runtime.InteropServices
Assembly: mscorlib (in mscorlib.dll)

public static Guid GetTypeLibGuid (
	ITypeLib typelib
)
public static Guid GetTypeLibGuid (
	ITypeLib typelib
)
public static function GetTypeLibGuid (
	typelib : ITypeLib
) : Guid
Not applicable.

Parameters

typelib

An ITypeLib object that represents an ITypeLib pointer.

Return Value

The LIBID (that is, the Guid) of the type library pointed to by the typelib parameter.

GetTypeLibGuid extracts the LIBID directly from an existing type library. This action differs from that of the Marshal.GetTypeLibGuidForAssembly method, which calculates what the LIBID should be based on the current assembly. For additional information about ITypeLib, see the MSDN Library.

NoteNote:

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 98, Windows Server 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 Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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