BetterExplorerControls.AirspacePopup.AirspacePopup C# (CSharp) Method

		public AirspacePopup() {
			Loaded += OnPopupLoaded;
			Unloaded += OnPopupUnloaded;
			DependencyPropertyDescriptor descriptor = DependencyPropertyDescriptor.FromProperty(PlacementTargetProperty, typeof(AirspacePopup));
			descriptor.AddValueChanged(this, PlacementTargetChanged);
		}