static void Main()
        {
            WindowHandle      handle    = WindowHandle.GetInstance();
            SettingComponent  settings  = SettingComponent.GetInstance();
            TargetRectangle   rectangle = TargetRectangle.GetInstance();
            ExportPointMatrix matrix    = ExportPointMatrix.GetInstance();

            if (RunningInstance() == null)
            {
                Application.EnableVisualStyles();
                Application.SetCompatibleTextRenderingDefault(false);
                Application.Run(new MainForm(handle, rectangle, settings, matrix));
            }
            else
            {
                MessageBox.Show("有一个和本程序相同的应用程序已经在运行, 请不要同时运行多个本程序.\n\n这个程序即将退出。",
                                Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }