http://www.cnblogs.com/weiym/p/3555068.html
http://crsouza.com/2015/04/how-to-fix-blurry-windows-forms-windows-in-high-dpi-settings/
static class Program
{
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
if (Environment.OSVersion.Version.Major >= 6)
SetProcessDPIAware();
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
}
[System.Runtime.InteropServices.DllImport("user32.dll")]
private static extern bool SetProcessDPIAware();
}