merged 2.2 branch

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7748 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/ole/dropsrc.h

@@ -28,6 +28,16 @@ class wxIDropSource;
 class WXDLLEXPORT wxDataObject;
 class WXDLLEXPORT wxWindow;
 
+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
+// this macro may be used instead for wxDropSource ctor arguments: it will use
+// the cursor 'name' from the resources under MSW, but will expand to
+// something else under GTK. If you don't use it, you will have to use #ifdef
+// in the application code.
+#define wxDROP_ICON(name)   wxCursor(#name)
+
 // ----------------------------------------------------------------------------
 // wxDropSource is used to start the drag-&-drop operation on associated
 // wxDataObject object. It's responsible for giving UI feedback while dragging.