C#把dll分别放在指定的文件夹的方法步骤

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <startup> 
        <supportedRuntime version="v4.0" sku=".netFramework,Version=v4.8" />
    </startup>
	<runtime>
		<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
			<!--<publisherPolicy apply="yes" />这句不要也是可以的-->
			<probing privatePath="dll;dll/2" />
		</assemblyBinding>
	</runtime>
</configuration>

AppDomain.CurrentDomain.AssemblyResolve += CurrentDomain_AssemblyResolve;

  static System.Reflection.Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
        {
            string path = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"dll2\");
            path = System.IO.Path.Combine(path, args.Name.Split(',')[0]);
            path = String.Format(@"{0}.dll", path);
            return System.Reflection.Assembly.LoadFrom(path);
        }

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            AppDomain.CurrentDomain.AssemblyResolve += CurrentDomain_AssemblyResolve;
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {
            ClassLibrary1.Class1 c = new ClassLibrary1.Class1();
            ClassLibrary2.Class1 c1 = new ClassLibrary2.Class1();
 
            MessageBox.Show(c.A() + c1.B());
        }
 
        /// <summary>
        /// 对外解析dll失败时调用
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="args"></param>
        /// <returns></returns>
        static System.Reflection.Assembly CurrentDomain_AssemblyResolve(object sender, ResolveEventArgs args)
        {
            string path = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, @"dll2\");
            path = System.IO.Path.Combine(path, args.Name.Split(',')[0]);
            path = String.Format(@"{0}.dll", path);
            return System.Reflection.Assembly.LoadFrom(path);
        }
    }
}