在WPF中以编程方式显示菜单

Question

如何在WPF中以编程方式打开菜单（System.Windows.Controls.Menu）？

Answer 1

抓住菜单项，然后执行以下操作：

_menuItem.IsSubmenuOpen = true;

Answer 2

查看此示例，了解如何打开上下文菜单。

http://www.uxpassion.com/2009/01/how-to-enable-and-show-context-menu-on-left-click-in-wpf/

总结

您可以致电：

YourContextMenu.IsOpen = true;

这将显示上下文菜单，只需确保它与显示它的FrameworkElement相关联。

Answer 3

private void button_Click(object sender, RoutedEventArgs e)
{
    var button= sender as FrameworkElement;
    if (button != null)
    {
        button.ContextMenu.IsOpen = true;
    }
}

Answer 4

void CmsBox_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
    box = sender as WpfBox;
    ContextMenu cms = new ContextMenu();
    e.Handled = true;
    ...
}

Answer 5

        private void MainGrid_Loaded(object sender, RoutedEventArgs e)
        {
            IncList.ItemsSource = m_DataSource;
            IncList.ContextMenu = new ContextMenu();
            IncList.ContextMenu.Items.Add(new MenuItem() { Header = "Test1" });
            IncList.ContextMenu.Items.Add(new MenuItem() { Header = "Test2" });
        }