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/missing.h

@@ -121,6 +121,15 @@
 #define TPM_RECURSE 1
 #endif
 
+
+#ifndef WS_EX_LAYERED
+#define WS_EX_LAYERED 0x80000
+#endif
+
+#ifndef LWA_ALPHA
+#define LWA_ALPHA 2
+#endif
+
 // ----------------------------------------------------------------------------
 // ListView common control
 // Needed by listctrl.cpp