Marshal::GetTypeLibGuid Method (ITypeLib)

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

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

static Guid GetTypeLibGuid(
	ITypeLib^ typelib


Type: System.Runtime.InteropServices.ComTypes::ITypeLib

The type library whose LIBID is to be retrieved.

Return Value

Type: System::Guid
The LIBID of the specified type library.

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 more information about library identifiers, see Exported Assembly Conversion.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

  • SecurityCriticalAttribute 

    requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.

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