XAML-Map-Control/MapUiTools/Shared/MapMenuItem.cs

using System.Threading.Tasks;

namespace MapControl.UiTools;

public abstract partial class MapMenuItem
{
    public abstract Task ExecuteAsync(MapBase map);

    protected abstract bool GetIsChecked(MapBase map);

    protected virtual bool GetIsEnabled(MapBase map) => true;

    private void Initialize()
    {
        if (DataContext is MapBase map)
        {
            IsEnabled = GetIsEnabled(map);
            IsChecked = GetIsChecked(map);
        }
    }

    private async void Execute()
    {
        if (DataContext is MapBase map)
        {
            await ExecuteAsync(map);
        }
    }
}