다중 모니터, 폼 위치 설정

            int tmpMaxWeight = 0;

            Screen[] screens = Screen.AllScreens;

            Screen mainScreen = null;

            foreach (Screen screen in screens) {

                if (screen.Bounds.Width >= tmpMaxWeight) {

                    tmpMaxWeight = screen.Bounds.Width;

                    mainScreen = screen;

                }

            }

            this.Left = mainScreen.Bounds.X;