Added wxTopLevelWindow::SetTranslucency and CanSetTranslucency, with

implementations (so far) for wxMSW and wxMac.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40112 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/toplevel.h

@@ -70,6 +70,11 @@ public:
     // button from the title bar
     bool EnableCloseButton(bool enable = true);
 
+    // Set window transparency if the platform supports it
+    virtual bool SetTranslucency(int alpha);
+    virtual bool CanSetTranslucency();
+
+    
     // implementation from now on
     // --------------------------