bool HandleMDIActivate(long bActivate, WXHWND, WXHWND);
bool HandleWindowPosChanging(void *lpPos);
bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);
bool HandleMDIActivate(long bActivate, WXHWND, WXHWND);
bool HandleWindowPosChanging(void *lpPos);
bool HandleCommand(WXWORD id, WXWORD cmd, WXHWND control);