'宣言 Public Delegate Sub SelectedTabChangingEventHandler( _ ByVal sender As Object, _ ByVal e As SelectedTabChangingEventArgs _ )
public delegate void SelectedTabChangingEventHandler( object sender, SelectedTabChangingEventArgs e )
Imports Infragistics.Win Imports Infragistics.Win.UltraWinTabs Imports Infragistics.Win.UltraWinTabControl Private Sub ultraTabControl1_SelectedTabChanging(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinTabControl.SelectedTabChangingEventArgs) Handles ultraTabControl1.SelectedTabChanging Dim dr As DialogResult dr = MessageBox.Show(Me, "The tab with text '" + e.Tab.Text + "' is about to be selected. Do you want to cancel selection?", "Cancelable Tab Event", MessageBoxButtons.YesNo) If dr = DialogResult.Yes Then e.Cancel = True End If End Sub
using System.Diagnostics; using Infragistics.Win; using Infragistics.Win.UltraWinTabs; using Infragistics.Win.UltraWinTabControl; private void ultraTabControl1_SelectedTabChanging(object sender, Infragistics.Win.UltraWinTabControl.SelectedTabChangingEventArgs e) { DialogResult dr = MessageBox.Show(this, "The tab with text '" + e.Tab.Text + "' is about to be selected. Do you want to cancel selection?", "Cancelable Tab Event", MessageBoxButtons.YesNo); if (dr == DialogResult.Yes) e.Cancel = true; }