Imports System.Diagnostics
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinToolbars
Private Sub UltraToolbarsManager1_BeforeDisplayCustomizeDialog(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinToolbars.BeforeDisplayCustomizeDialogEventArgs) Handles UltraToolbarsManager1.BeforeDisplayCustomizeDialog
Dim dr As DialogResult = MessageBox.Show(Me, "The Customize Dialog is about to be displayed. Do you want to cancel the display?", "Cancelable Toolbar Event", MessageBoxButtons.YesNo)
If dr = DialogResult.Yes Then
e.Cancel = True
End If
End Sub