Misc fixes, now menus are almost working on MicroWindows

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10844 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/utils.cpp

@@ -1233,8 +1233,12 @@ int wxDisplayDepth()
 void wxDisplaySize(int *width, int *height)
 {
 #ifdef __WXMICROWIN__
-    // MICROWIN_TODO
-    *width = 0; * height = 0;
+    RECT rect;
+    HWND hWnd = GetDesktopWindow();
+    ::GetWindowRect(hWnd, & rect);
+
+    *width = rect.right - rect.left;
+    *height = rect.bottom - rect.top;
 #else
     ScreenHDC dc;