using System; using System.Collections.Generic; using System.Linq; using System.Runtime.InteropServices; using System.Text; using System.Threading.Tasks; namespace Ink_Canvas.Helpers { public class DwmCompositionHelper{ public const string LibraryName = "Dwmapi.dll"; [DllImport(LibraryName, ExactSpelling = true, PreserveSig = false)] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool DwmIsCompositionEnabled(); } }