OnBeforeLabelEdit メソッド

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シンタックス

Visual Basic

'宣言
 
Protected Overridable Sub OnBeforeLabelEdit( _
   ByVal e As CancelableNodeEventArgs _
) 

C#

protected virtual void OnBeforeLabelEdit( 
   CancelableNodeEventArgs e
)

パラメータ

e

イベントのデータを含む System.EventArgs。

使用例

Visual Basic

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

C#

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;
		
}