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How to disable tooltips for some particular nodes?

Platform: WinForms |
Control: TreeViewAdv |
Published Date: April 30, 2011 |
Last Revised Date: July 10, 2014

 

The tooltip for some of the nodes which have HelpText can be disabled by handling ToolTipControl_BeforePopup event.Here in the treeViewAdv, for some of the nodes e.Cancel property is set to true by getting the node's position in ToolTipControl's BeforePopup event handler in which the tooltips for the respective nodes are disabled .The tooltips for the same nodes can be enabled by setting the e.Cancel=false in ToolTipControl's BeforePopup Event.

C#

private void ToolTipControl_BeforePopup(object sender, CancelEventArgs e)

{

Point pt=this.treeViewAdv1.PointToClient(new Point(MousePosition.X,MousePosition.Y));

TreeNodeAdv node=this.treeViewAdv1.GetNodeAtPoint(pt);

if(node!=null)

{

if(node.Text=="Node1" || node.Text=="Node3"||node.Text=="Node5"||node.Text=="Node7")

{

e.Cancel=true;

}

}

}

VB

Private Sub ToolTipControl_BeforePopup(ByVal sender As Object, ByVal e As CancelEventArgs)

Dim pt As Point=Me.treeViewAdv1.PointToClient(New Point(MousePosition.X,MousePosition.Y))

Dim node As TreeNodeAdv=Me.treeViewAdv1.GetNodeAtPoint(pt)

If Not node Is Nothing Then

If node.Text="Node1" OrElse node.Text="Node3" OrElse node.Text="Node5" OrElse node.Text="Node7" Then

e.Cancel=True

End If

End If

End Sub

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