C# WindowsForm程序同时启动多个窗口类，具体内容如下
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace MVCProject
{
/// <summary>
/// 多窗口同时启动类
/// <remarks>继承ApplicationContext的原因是Application.Run(ApplicationCo
