XAML-Map-Control/MapUiTools/WPF/MenuButton.WPF.cs

using System.Windows;
using System.Windows.Controls;
using System.Windows.Markup;

namespace MapControl.UiTools;

[ContentProperty(nameof(Items))]
public partial class MenuButton
{
    static MenuButton()
    {
        DefaultStyleKeyProperty.OverrideMetadata(typeof(MenuButton), new FrameworkPropertyMetadata(typeof(MenuButton)));
    }

    public MenuButton()
    {
        ContextMenu = new ContextMenu();
        DataContextChanged += (_, e) => ContextMenu.DataContext = e.NewValue;
        Loaded += async (_, _) => await Initialize();
        Click += (_, _) => ContextMenu.IsOpen = true;
    }

    public string Icon
    {
        get => Content as string;
        set => Content = value;
    }

    public ContextMenu Menu => ContextMenu;

    public ItemCollection Items => ContextMenu.Items;
}