ase IDM_APP_EXIT:
SendMessage (hwnd, WM_CLOSE, 0, 0) ;
return 0 ;
case IDM_EDIT_UNDO:
case IDM_EDIT_CUT:
case IDM_EDIT_COPY:
case IDM_EDIT_PASTE:
case IDM_EDIT_CLEAR:
MessageBeep (0) ;
return 0 ;
case IDM_BKGND_WHITE: // Note: Logic below
case IDM_BKGND_LTGRAY: // assumes that IDM_WHITE
case IDM_BKGND_GRAY: // through IDM_BLACK are
case IDM_BKGND_DKGRAY: // consecutive numbers in
case IDM_BKGND_BLACK: // the order shown here.
CheckMenuItem (hMenu, iSelection, MF_UNCHECKED) ;
iSelection = LOWORD (wParam) ;
CheckMenuItem (hMenu, iSelection, MF_CHECKED) ;
SetClassLong (hwnd, GCL_HBRBACKGROUND, (LONG)
GetStockObject
(idColor [LOWORD (wParam) - IDM_BKGND_WHITE])) ;
InvalidateRect (hwnd, NULL, TRUE) ;
return 0 ;
case IDM_TIMER_START:
if (SetTimer (hwnd, ID_TIMER, 1000, NULL))
{
EnableMenuItem (hMenu, IDM_TIMER_START, MF_GRAYED) ;
EnableMenuItem (hMenu, IDM_TIMER_STOP, MF_ENABLED) ;
}
return 0 ;
case IDM_TIMER_STOP:
KillTimer (hwnd, ID_TIMER) ;
EnableMenuItem (hMenu, IDM_TIMER_START, MF_ENABLED) ;
EnableMenuItem (hMen |