using System.Windows; using System.Windows.Media; namespace TheXamlGuy.TaskbarGroup.Foundation { public static class VisualExtensions { private static Matrix GetDpi(this Visual visual) { var source = PresentationSource.FromVisual(visual); if (source?.CompositionTarget != null) return (Matrix)source?.CompositionTarget.TransformToDevice; return default; } public static double DpiY(this Visual visual) { return GetDpi(visual).M22; } public static double DpiX(this Visual visual) { return GetDpi(visual).M11; } } }