+ // fall through
+
+ case WM_MOVE:
+ // must pass WM_MOVE to DefMDIChildProc() to recalculate MDI client
+ // scrollbars if necessary
+
+ // fall through
+
+ case WM_SIZE:
+ // must pass WM_SIZE to DefMDIChildProc(), otherwise many weird
+ // things happen
+ MSWDefWindowProc(message, wParam, lParam);