Cs.hwndParent = UserHMGetHandle(pWndOwner);
/* NOTE: In Windows, top menu popup is not owned. */
- pWndCreated = co_UserCreateWindowEx( &Cs, &ClassName, &WindowName, NULL);
+ pWndCreated = co_UserCreateWindowEx( &Cs, &ClassName, &WindowName, NULL, WINVER );
if( !pWndCreated ) return FALSE;