This class method allows the system to build the class default icon for a given class.

#define INCL_WINWORKPLACE
#include <os2.h>

M_WPObject     *somSelf;    /*  Pointer to the class object for which you want the class icon data. */
PICONINFO       pIconInfo;  /*  Pointer to a buffer. */
ULONG           ulReturn;   /*  Buffer size or number of bytes required to hold the output data. */

ulReturn = _wpclsQueryIconData(somSelf, pIconInfo);