AfxOleUnregisterClass
Visual Studio 2010
Removes the control or property page class entry from the Windows registration database.
BOOL AFXAPI AfxOleUnregisterClass( REFCLSID clsID, LPCSTR pszProgID );
Removes the control or property page class entry from the Windows registration database.
BOOL AFXAPI AfxOleUnregisterClass( REFCLSID clsID, LPCSTR pszProgID );