public static void StartUp(string[] args) { CoreApplication.InitMonoInternal(); Application.Attribute = ApplicationAttribute.AA_EnableHighDpiScaling; var app = new Application(args); var mainWindow = new MyMainWindow(); // mainWindow.FixedSize = new Size (1920 / 2, 1080 / 2); // mainWindow.FocusPolicy = FocusPolicy.StrongFocus; mainWindow.WindowTitle = "NNNN"; mainWindow.Show(); var splash = new SplashScreen(mainWindow); splash.Show(); // splash.SetRange (0, 10000); // for (int i = 0; i < 10000; i++) // { // splash.SetValue (i); // Thread.Sleep (10); // Application.ProcessEvents (); // } app.Exec(); }