using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;namespace MVCProject{  /// <summary>  /// 多窗口同時啟動類  /// <remarks>繼承ApplicationContext的原因是Application.Run(ApplicationContext context);參數的需要</remarks>  /// <remarks>另一個是關閉同時啟動的窗口</remarks>  /// </summary>  class MultiFormApplictionStart : ApplicationContext  {    private void onFormClosed(object sender, EventArgs e)    {      if (Application.OpenForms.Count == 0)      {        ExitThread();      }    }    public MultiFormApplictionStart()    {      /*       *里面添加啟動的窗口       */      var formList = new List<Form>(){      new DJControl(),       new DJView()    };      foreach (var item in formList)      {        item.FormClosed += onFormClosed;      }      foreach (var item in formList)      {        item.Show();      }    }  }}

  static class Program  {    /// <summary>    /// 應用程序的主入口點。    /// </summary>    [STAThread]    static void Main()    {      Application.EnableVisualStyles();      Application.SetCompatibleTextRenderingDefault(false);      Application.Run(new MultiFormApplictionStart());    }  }