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Editorial Team
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Asked: 2026-06-08T04:08:09+00:00

I have two treeviews in my windows application and there is a button.. The

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I have two treeviews in my windows application and there is a button..
The button should be only visible when the user selects nodes from both the treeviews.
How can this be done.
Please help me

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1 Answer

  1. Editorial Team

    In both TreeViews look for the AfterSelect event. With the given event args (TreeViewEventArgs) you can find the node that is selected (or expended, etc.) with e.Node.
    You could set the same event handler method for both Treeviews.

    Then set your button visibility like this.MyButton.Visible = (this.MyTreeView1.SelectedNode != null && this.MyTreeView2.SelectedNode != null);

    Hope this helps!

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