Infragistics logo
메뉴
.NET and JavaScript UI Controls
Version

Canceled Property

Returns whether the flyout session was canceled, for example, whether the end user pressed the Escape key to close the flyout.
Syntax
'Declaration
 
Public ReadOnly Property Canceled As Boolean
public bool Canceled {get;}
Example
The following code sample demonstrates how to use the NavigationPaneFlyoutClosed event to receive a notification when the navigation pane flyout is closed:

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 Infragistics.Win
Imports Infragistics.Win.UltraWinExplorerBar


    '   Handles the Form's 'Load' event
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        '	Hook the NavigationPaneCollapsed event
        AddHandler Me.ultraExplorerBar1.NavigationPaneFlyoutDisplayed, AddressOf Me.ultraExplorerBar1_NavigationPaneFlyoutDisplayed

    End Sub

    '	Handles the ExplorerBar's 'NavigationPaneFlyoutDisplayed' event
    Private Sub ultraExplorerBar1_NavigationPaneFlyoutDisplayed(ByVal sender As Object, ByVal e As EventArgs)

        Dim explorerBar As UltraExplorerBar = sender

        '	Deregister from the notification list since we won't need this
        '	until after the NavigationPaneFlyoutClosed event is fired
        RemoveHandler explorerBar.NavigationPaneFlyoutDisplayed, AddressOf Me.ultraExplorerBar1_NavigationPaneFlyoutDisplayed

        '	Register as a listener for the NavigationPaneFlyoutClosed event
        AddHandler explorerBar.NavigationPaneFlyoutClosed, AddressOf Me.ultraExplorerBar1_NavigationPaneFlyoutClosed
    End Sub

    '	Handles the ExplorerBar's 'NavigationPaneFlyoutDisplayed' event
    Private Sub ultraExplorerBar1_NavigationPaneFlyoutClosed(ByVal sender As Object, ByVal e As NavigationPaneFlyoutClosedEventArgs)

        Dim explorerBar As UltraExplorerBar = sender

        '	Deregister from the notification list since we won't need this
        '	until after the NavigationPaneFlyoutDisplayed event is fired
        RemoveHandler explorerBar.NavigationPaneFlyoutClosed, AddressOf Me.ultraExplorerBar1_NavigationPaneFlyoutClosed

        '	Register as a listener for the NavigationPaneFlyoutDisplayed event
        AddHandler explorerBar.NavigationPaneFlyoutDisplayed, AddressOf Me.ultraExplorerBar1_NavigationPaneFlyoutDisplayed

        If (e.Canceled = False AndAlso Not e.SelectedItem Is Nothing) Then
            Debug.WriteLine(String.Format("Item '{0}' selected.", e.SelectedItem.Text))
        End If

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


		//	Handles the Form's 'Load' event.
		private void Form1_Load(object sender, System.EventArgs e)
		{
			//	Hook the NavigationPaneFlyoutDisplayed event
			this.ultraExplorerBar1.NavigationPaneFlyoutDisplayed += new EventHandler( this.ultraExplorerBar1_NavigationPaneFlyoutDisplayed );
		}

		//	Handles the ExplorerBar's 'NavigationPaneExpanded' event.
		private void ultraExplorerBar1_NavigationPaneFlyoutDisplayed( object sender, EventArgs e )
		{
			UltraExplorerBar explorerBar = sender as UltraExplorerBar;

			//	Deregister from the notification list since we won't need this
			//	until after the NavigationPaneFlyoutClosed event is fired
			explorerBar.NavigationPaneFlyoutDisplayed -= new EventHandler( this.ultraExplorerBar1_NavigationPaneFlyoutDisplayed );

			//	Register as a listener for the NavigationPaneFlyoutClosed event
			explorerBar.NavigationPaneFlyoutClosed += new NavigationPaneFlyoutClosedEventHandler( this.ultraExplorerBar1_NavigationPaneFlyoutClosed );
		}

		//	Handles the ExplorerBar's 'NavigationPaneFlyoutClosed' event.
		private void ultraExplorerBar1_NavigationPaneFlyoutClosed( object sender, NavigationPaneFlyoutClosedEventArgs e )
		{
			UltraExplorerBar explorerBar = sender as UltraExplorerBar;

			//	Deregister from the notification list since we won't need this
			//	until after the NavigationPaneFlyoutDisplayed event is fired
			explorerBar.NavigationPaneFlyoutClosed -= new NavigationPaneFlyoutClosedEventHandler( this.ultraExplorerBar1_NavigationPaneFlyoutClosed );

			//	Register as a listener for the NavigationPaneFlyoutDisplayed event
			explorerBar.NavigationPaneFlyoutDisplayed += new EventHandler( this.ultraExplorerBar1_NavigationPaneFlyoutDisplayed );

			if ( e.Canceled == false && e.SelectedItem != null )
			{
				Debug.WriteLine( string.Format( "Item '{0}' selected.", e.SelectedItem.Text ) );
			}
		}
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