C#界面设计谷歌地图下载分块

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Windows.Forms;
    
    namespace GoogleMapDownLoader
    {
    static class Program
    {
        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {