'宣言 Public Delegate Sub PasteErrorEventHandler( _ ByVal sender As Object, _ ByVal e As PasteErrorEventArgs _ )
public delegate void PasteErrorEventHandler( object sender, PasteErrorEventArgs e )
Imports Infragistics.Win Imports Infragistics.Win.UltraWinTree Private Sub ultraTree1_PasteError(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTree.PasteErrorEventArgs) Handles ultraTree1.PasteError ' Paste exceptions can occur if: ' 1. the application doesn't have security rights to the clipboard ' 2. one or more of the nodes being pasted have keys that are ' already used by other nodes in the tree . Debug.WriteLine(e.Exception.ToString()) End Sub
using System.Diagnostics; using Infragistics.Win; using Infragistics.Win.UltraWinTree; private void ultraTree1_PasteError(object sender, Infragistics.Win.UltraWinTree.PasteErrorEventArgs e) { // Paste exceptions can occur if: // 1. the application doesn't have security rights to the clipboard // 2. one or more of the nodes being pasted have keys that are // already used by other nodes in the tree . Debug.WriteLine( e.Exception.ToString() ); }