This example shows how to designate files ending in an extension of .GIF as being associated with an instance of a GIFPicture object.
SOM_Scope PSZ SOMLINK gifpicM_wpclsQueryInstanceFilter(M_GIFPicture *somSelf)
{
/* M_GIFPictureData *somThis = M_GIFPictureGetData(somSelf); */
M_GIFPictureMethodDebug("M_GIFPicture","gifpicM_wpclsQueryInstanceFilter");
/* return (parent_wpclsQueryInstanceFilter(somSelf)); Don't call parent */
return ( "*.GIF" );
}