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How can I show a rectangle in a treeview checkbox?

Posted on 2006-11-26
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Last Modified: 2009-07-29
Hi,

When I have an sub item check and it's parent unchecked, I want the parent to show a green rectangle in the checkbox (in the place of the check mark, like it's the case in VS.NET installation), Here's a picture of what I'm talking about:

http://www.codeproject.com/cs/miscctrl/treeviewadv/treeviewadv3.png

Thanks.
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Question by:i950
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by:ozymandias
ID: 18015352
This would require a tri-state checkbox in the ListViewItem and I do not believe this is possible.

You could try writing your own ListViewItem.
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by:ozymandias
ID: 18015378
Sorry, that should be TreeNode, not ListViewItem.
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ozymandias earned 1000 total points
ID: 18015390
Here is an example that shows you how to do it : http://www.codeproject.com/useritems/ThreeStateTreeView.asp
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