diff -r 3aaf349203bc -r 960b8e7f71bb PLCOpenEditor.py
--- a/PLCOpenEditor.py	Mon Dec 10 11:13:25 2007 +0100
+++ b/PLCOpenEditor.py	Mon Dec 10 11:17:38 2007 +0100
@@ -1015,7 +1015,7 @@
 
     def OnProjectTreeBeginDrag(self, event):
         if wx.Platform == '__WXMSW__':
-            self.SelectItem = event.Skip()
+            self.SelectedItem = event.Skip()
         if self.SelectedItem is not None and self.ProjectTree.GetPyData(self.SelectedItem) == ITEM_POU:
             block_name = self.ProjectTree.GetItemText(self.SelectedItem)
             block_type = self.Controler.GetPouType(block_name)