#if UWP using Windows.UI.Xaml; using Windows.UI.Xaml.Data; #else using Microsoft.UI.Xaml; using Microsoft.UI.Xaml.Data; #endif namespace MapControl { public partial class MapContentControl { public MapContentControl() { DefaultStyleKey = typeof(MapContentControl); MapPanel.InitMapElement(this); } protected override void OnApplyTemplate() { base.OnApplyTemplate(); var parentMap = MapPanel.GetParentMap(this); if (parentMap != null) { // Workaround for missing RelativeSource AncestorType=MapBase Bindings in default Style. // if (Background == null) { SetBinding(BackgroundProperty, new Binding { Source = parentMap, Path = new PropertyPath(nameof(Background)) }); } if (Foreground == null) { SetBinding(ForegroundProperty, new Binding { Source = parentMap, Path = new PropertyPath(nameof(Foreground)) }); } if (BorderBrush == null) { SetBinding(BorderBrushProperty, new Binding { Source = parentMap, Path = new PropertyPath(nameof(Foreground)) }); } } } } public partial class Pushpin { public Pushpin() { DefaultStyleKey = typeof(Pushpin); } } }