minor clean up

[wxWidgets.git] / include / wx / generic / treelay.h

diff --git a/include/wx/generic/treelay.h b/include/wx/generic/treelay.h
index b59e1488f8588a675b32e818cbdf416115e23500..9c626dcf9fe278c5b5d82939385943b84cd07158 100644 (file)
--- a/include/wx/generic/treelay.h
+++ b/include/wx/generic/treelay.h
@@ -25,12 +25,15 @@ class wxMouseEvent;
 
 #include <wx/string.h>
 
+#if wxUSE_TREELAYOUT
+
 class WXDLLEXPORT wxTreeLayout: public wxObject
 {
     DECLARE_ABSTRACT_CLASS(wxTreeLayout)
 
 public:
     wxTreeLayout();
+    virtual ~wxTreeLayout() { }
 
     // Redefine these
     virtual void GetChildren(long id, wxList& list) = 0;
@@ -105,7 +108,7 @@ class WXDLLEXPORT wxTreeLayoutStored: public wxTreeLayout
     DECLARE_DYNAMIC_CLASS(wxTreeLayoutStored)
 public:
     wxTreeLayoutStored(int noNodes = 200);
-    ~wxTreeLayoutStored(void);
+    virtual ~wxTreeLayoutStored(void);
     void Initialize(int n);
 
     wxString HitTest(wxMouseEvent& event, wxDC& dc);
@@ -140,6 +143,9 @@ private:
 // For backward compatibility
 #define wxStoredTree wxTreeLayoutStored
 
+#endif
+    // wxUSE_TREELAYOUT
+
 #endif
  // _WX_TREELAY_H_