This instance method is called to allow an object to save its binary instance data.
#define INCL_WINWORKPLACE
#include <os2.h>
WPObject *somSelf; /* Pointer to the object on which the method is being invoked. */
PSZ pszClass; /* Pointer to the class name. */
ULONG ulKey; /* Class-defined identifier. */
PBYTE pValue; /* Address of the block of data to be stored. */
ULONG cbValue; /* Size of the block of data to be stored. */
BOOL rc; /* Success indicator. */
rc = _wpSaveData(somSelf, pszClass, ulKey,
pValue, cbValue);