'Declaration Protected Overridable Sub OnBeforeLabelEdit( _ ByVal e As CancelableNodeEventArgs _ )
protected virtual void OnBeforeLabelEdit( CancelableNodeEventArgs e )
Imports Infragistics.Win.UltraWinTree Private Sub ultraTree1_BeforeLabelEdit(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTree.CancelableNodeEventArgs) Handles ultraTree1.BeforeLabelEdit Dim sb As New System.Text.StringBuilder() sb.Append("Node: ") sb.Append(e.TreeNode.Key) sb.Append(" is about to enter edit mode.") Dim dr As DialogResult dr = MessageBox.Show(Me, _ sb.ToString(), _ "Node entering edit mode", _ MessageBoxButtons.OKCancel) If dr = DialogResult.Cancel Then e.Cancel = True End Sub
using System.Diagnostics; using Infragistics.Win.UltraWinTree; private void ultraTree1_BeforeLabelEdit(object sender, Infragistics.Win.UltraWinTree.CancelableNodeEventArgs e) { System.Text.StringBuilder sb = new System.Text.StringBuilder(); sb.Append("Node: "); sb.Append(e.TreeNode.Key); sb.Append(" is about to enter edit mode."); DialogResult dr = MessageBox.Show( this, sb.ToString(), "Node entering edit mode", MessageBoxButtons.OKCancel ); if ( dr == DialogResult.Cancel ) e.Cancel = true; }
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2