somSelf (WPObject *) - input
Points to an object of class WPObject.
pszClass (PSZ) - input
A pointer to a zero-terminated string that contains any unique string. The class name is recommended but not enforced.
ulKey (ULONG) - input
A class-defined identifier that correlates to a particular instance data variable.
pszValue (PSZ) - input
rc (BOOL) - returns
TRUE