namespace System.Drawing { internal static class DpiHelper { public static bool IsScalingRequired { get; } public static int LogicalToDeviceUnitsX(int value); public static int ScaleToInitialSystemDpi(int value); public static Size LogicalToDeviceUnits(Size logicalSize); public static Bitmap CreateResizedBitmap(Bitmap logicalImage, Size targetImageSize); public static void ScaleBitmapLogicalToDevice(ref Bitmap logicalBitmap); } }