news:1162525116.845329.177580@m73g2000cwd.googlegroups.com...
>I have a control called FolderTreeView that derives from
> System.Windows.Forms.TreeView and automatically populates itself with
> TreeNodes representing the Windows file system. Here's the behavior I'm
> seeing:
>
> 1) Add the FolderTreeView control to my Form in the designer.
> 2) Modify the FolderTreeView.cs file.
> 3) Rebuild and go back to the Form designer that is hosting the control
> from step 1.
>
> The result is another root "Desktop" node has been added to the control
> so I end up with duplicated entries. My theory is that the Nodes
> property from the base TreeView class is being persisted with the form.
> Then, the FolderTreeView's constructor runs which calls Nodes.Clear()
> and then populates the control with top level FileSystem objects. Next,
> the old nodes from before the rebuild are added back to the TreeView
> control which results in duplicates.
>
> My best guess at fixing this is to somehow prevent the designer from
> persisting the Nodes property of the FolderTreeView control. But since
> this property is inherited from TreeView I'm not sure how to change the
> way it is persisted. Please help!
>
> -Mike-
>