The SetupDiClassGuidsFromName function retrieves the GUID(s) associated with the specified class name. This list is built based on the classes currently installed on the system.
WINSETUPAPI BOOL SetupDiClassGuidsFromNameA( PCSTR ClassName, LPGUID ClassGuidList, DWORD ClassGuidListSize, PDWORD RequiredSize );
The name of the class for which to retrieve the class GUID.
A pointer to an array to receive the list of GUIDs associated with the specified class name.
The number of GUIDs in the ClassGuidList array.
Supplies a pointer to a variable that receives the number of GUIDs associated with the class name. If this number is greater than the size of the ClassGuidList buffer, the number indicates how large the array must be in order to store all the GUIDs.
The function returns TRUE if it is successful. Otherwise, it returns FALSE and the logged error can be retrieved by making a call to GetLastError.
Call SetupDiClassGuidsFromNameEx to retrieve the class GUIDs for a class on a remote computer.
|Minimum supported client||Available in Microsoft Windows 2000 and later versions of Windows.|
|Header||setupapi.h (include Setupapi.h)|