allow setting empty tooltip in SetIcon() (patch 1750994)

[wxWidgets.git] / include / wx / msw / treectrl.h

diff --git a/include/wx/msw/treectrl.h b/include/wx/msw/treectrl.h
index 905c330c7f2ee9b1b73d661d729afd8c4a4400a8..117a79090c57684873bdb98da984df358b4b941e 100644 (file)
--- a/include/wx/msw/treectrl.h
+++ b/include/wx/msw/treectrl.h
@@ -32,7 +32,7 @@
 // fwd decl
 class  WXDLLEXPORT wxImageList;
 class  WXDLLEXPORT wxDragImage;
-struct WXDLLEXPORT wxTreeViewItem;
+struct WXDLLIMPEXP_FWD_CORE wxTreeViewItem;
 
 #if WXWIN_COMPATIBILITY_2_6
     // NB: all the following flags are for compatbility only and will be removed in the
@@ -263,8 +263,10 @@ private:
     // true if the hash above is not empty
     bool m_hasAnyAttr;
 
+#if wxUSE_DRAGIMAGE
     // used for dragging
     wxDragImage *m_dragImage;
+#endif
 
     // Virtual root item, if wxTR_HIDE_ROOT is set.
     void* m_pVirtualRoot;