XAML-Map-Control/MapControl/WPF/MapPanel.WPF.cs

using System.Windows;

namespace MapControl;

public partial class MapPanel
{
    public static readonly DependencyProperty AutoCollapseProperty =
        DependencyPropertyHelper.RegisterAttached< bool>("AutoCollapse", typeof(MapPanel));

    public static readonly DependencyProperty LocationProperty =
        DependencyPropertyHelper.RegisterAttached<Location>("Location", typeof(MapPanel), null,
            FrameworkPropertyMetadataOptions.AffectsParentArrange);

    public static readonly DependencyProperty BoundingBoxProperty =
        DependencyPropertyHelper.RegisterAttached<BoundingBox>("BoundingBox", typeof(MapPanel), null,
            FrameworkPropertyMetadataOptions.AffectsParentArrange);

    public static readonly DependencyProperty MapRectProperty =
        DependencyPropertyHelper.RegisterAttached<Rect?>("MapRect", typeof(MapPanel), null,
            FrameworkPropertyMetadataOptions.AffectsParentArrange);

    public static MapBase GetParentMap(FrameworkElement element)
    {
        return (MapBase)element.GetValue(ParentMapProperty);
    }
}