guiddef.h header
This header is used by Component Object Model (COM). For more information, see:
guiddef.h contains the following programming interfaces:
IsEqualCLSID Evaluates to a Boolean value that indicates whether two CLSIDs are equal. |
IsEqualGUID Evaluates to a Boolean value that indicates whether two GUIDs are equal. |
IsEqualIID Evaluates to a Boolean value that indicates whether two IIDs are equal. |
GUID A GUID structure (guiddef.h) identifies an object such as a COM interfaces, or a COM class object, or a manager entry-point vector (EPV). |