Move CanSetTransparent and SetTransparent up to wxWindowBase since

wxMac can handle transparency at that level.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@40730 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/toplevel.h

@@ -196,10 +196,6 @@ public:
     void CentreOnScreen(int dir = wxBOTH) { DoCentre(dir | wxCENTRE_ON_SCREEN); }
     void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); }
 
-    // Set window transparency if the platform supports it
-    virtual bool SetTransparent(wxByte WXUNUSED(alpha)) { return false; }
-    virtual bool CanSetTransparent() { return false; }
-
 
     // default item access: we have a permanent default item which is the one
     // set by the user code but we may also have a temporary default item which