using System.Windows; using System.Windows.Interop; namespace Hardcodet.Wpf.TaskbarNotification.Interop { public static class SystemInfo { private static readonly System.Windows.Point DpiFactors; public static double DpiFactorX => DpiFactors.X; public static double DpiFactorY => DpiFactors.Y; static SystemInfo() { using HwndSource hwndSource = new HwndSource(default(HwndSourceParameters)); HwndTarget compositionTarget = hwndSource.CompositionTarget; if (compositionTarget != null) { _ = compositionTarget.TransformToDevice; if (true) { DpiFactors = new System.Windows.Point(hwndSource.CompositionTarget.TransformToDevice.M11, hwndSource.CompositionTarget.TransformToDevice.M22); return; } } DpiFactors = new System.Windows.Point(1.0, 1.0); } } }