Version

BeforeToolbarListDropdownEventArgs Class

Event parameters used for the UltraToolbarsManager.BeforeToolbarListDropdown event
Syntax
'Declaration
 
Public Class BeforeToolbarListDropdownEventArgs 
   Inherits System.ComponentModel.CancelEventArgs
public class BeforeToolbarListDropdownEventArgs : System.ComponentModel.CancelEventArgs 
Example
The following code demonstrates how to access the information passed in the event arguments of the BeforeToolbarListDropdown event and conditionally cancel the event.

For an overview of how to handle events in Visual Basic or Visual C#, see Event Handlers in Visual Basic and Visual C#. For specific information and code examples illustrating how to consume events in your application, see Consuming Events in the .NET Framework Developer's Guide.

Imports System.Diagnostics
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinToolbars

	Private Sub UltraToolbarsManager1_BeforeToolbarListDropdown(ByVal sender As Object, ByVal e As Infragistics.Win.UltraWinToolbars.BeforeToolbarListDropdownEventArgs) Handles UltraToolbarsManager1.BeforeToolbarListDropdown

		Dim dr As DialogResult = MessageBox.Show(Me, "The toolbar list is about to dropdown. Do you want to cancel the dropdown?", "Cancelable Toolbar Event", MessageBoxButtons.YesNo)
		If dr = DialogResult.Yes Then
			e.Cancel = True
		Else
			dr = MessageBox.Show(Me, "The toolbar list is about to dropdown. Do you want to show the Customize option in the list?", "Cancelable Toolbar Event", MessageBoxButtons.YesNo)
			e.ShowCustomizeMenuItem = (dr = DialogResult.Yes)

			dr = MessageBox.Show(Me, "The toolbar list is about to dropdown. Do you want to show the Lock Toolbars option in the list?", "Cancelable Toolbar Event", MessageBoxButtons.YesNo)
			e.ShowLockToolbarsMenuItem = (dr = DialogResult.Yes)
		End If

	End Sub
using System.Diagnostics;
using Infragistics.Win;
using Infragistics.Win.UltraWinToolbars;

		private void ultraToolbarsManager1_BeforeToolbarListDropdown(object sender, Infragistics.Win.UltraWinToolbars.BeforeToolbarListDropdownEventArgs e)
		{

			DialogResult dr =  MessageBox.Show(this, "The toolbar list is about to dropdown. Do you want to cancel the dropdown?", "Cancelable Toolbar Event", MessageBoxButtons.YesNo);
			if (dr == DialogResult.Yes)
				e.Cancel = true;
			else
			{
				dr =  MessageBox.Show(this, "The toolbar list is about to dropdown. Do you want to show the Customize option in the list?", "Cancelable Toolbar Event", MessageBoxButtons.YesNo);
				e.ShowCustomizeMenuItem = (dr == DialogResult.Yes);		

				dr =  MessageBox.Show(this, "The toolbar list is about to dropdown. Do you want to show the Lock Toolbars option in the list?", "Cancelable Toolbar Event", MessageBoxButtons.YesNo);
				e.ShowLockToolbarsMenuItem = (dr == DialogResult.Yes);		
			}

		}
Requirements

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

See Also