/// <summary> /// /// </summary> /// <returns></returns> public static Size GetDeviceDPI() { IntPtr hDC = PI.GetDC(IntPtr.Zero); try { return(new Size(PI.GetDeviceCaps(hDC, PI.LOGPIXELSX), PI.GetDeviceCaps(hDC, PI.LOGPIXELSY))); } finally { PI.ReleaseDC(IntPtr.Zero, hDC); } }