ScreenCapture.NET/ScreenCapture/DPIAwareness.cs

// ReSharper disable InconsistentNaming
using System.Runtime.InteropServices;

namespace ScreenCapture
{
    public static class DPIAwareness
    {
        [DllImport("user32.dll", SetLastError = true)]
        internal static extern bool SetProcessDpiAwarenessContext(int dpiFlag);

        [DllImport("SHCore.dll", SetLastError = true)]
        internal static extern bool SetProcessDpiAwareness(PROCESS_DPI_AWARENESS awareness);

        [DllImport("user32.dll")]
        internal static extern bool SetProcessDPIAware();

        internal enum PROCESS_DPI_AWARENESS
        {
            Process_DPI_Unaware = 0,
            Process_System_DPI_Aware = 1,
            Process_Per_Monitor_DPI_Aware = 2
        }

        internal enum DPI_AWARENESS_CONTEXT
        {
            DPI_AWARENESS_CONTEXT_UNAWARE = 16,
            DPI_AWARENESS_CONTEXT_SYSTEM_AWARE = 17,
            DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE = 18,
            DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 = 34
        }

        public static void Initalize()
        {
            SetProcessDpiAwarenessContext((int)DPI_AWARENESS_CONTEXT.DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
        }
    }
}