GridAutomationHelper.RemoveAutomationRequestedHandler(DependencyObject, RoutedEventHandler) Method

Removes an event handler that was previously added to the AutomationRequested attached event using the AddAutomationRequestedHandler(DependencyObject, RoutedEventHandler) method.

Namespace: DevExpress.Xpf.Grid.Automation

Assembly: DevExpress.Xpf.Grid.v25.2.dll

Declaration

C#

public static void RemoveAutomationRequestedHandler(
    DependencyObject dependencyObject,
    RoutedEventHandler handler
)

VB.NET

Public Shared Sub RemoveAutomationRequestedHandler(
    dependencyObject As DependencyObject,
    handler As RoutedEventHandler
)

Parameters

Name	Type	Description
dependencyObject	DependencyObject	An object that stores the event handler.
handler	RoutedEventHandler	An event handler that was previously added using the AddAutomationRequestedHandler(DependencyObject, RoutedEventHandler) method.

Remarks

Use the RemoveAutomationRequestedHandler method to unsubscribe from the AutomationRequested attached event:

C#

using System.Windows;
using DevExpress.Xpf.Grid;
using DevExpress.Xpf.Grid.Automation;

public partial class MainWindow : Window {
    public MainWindow() {
        InitializeComponent();
        Loaded   += OnLoaded;
        Unloaded += OnUnloaded;
    }

    void OnLoaded(object sender, RoutedEventArgs e) {
        GridAutomationHelper.AddAutomationRequestedHandler(tableView, OnAutomationRequested);
    }

    void OnUnloaded(object sender, RoutedEventArgs e) {
        GridAutomationHelper.RemoveAutomationRequestedHandler(tableView, OnAutomationRequested);
    }

    void OnAutomationRequested(object sender, RoutedEventArgs e) {
        var args = (AutomationEventArgs)e;
        // Your args.AutomationValue customization code
    }
}