winform 防止主界面卡死

总结网络上的解决方案：新线程=> 委托=> 主界面的异步更新方法(IAsyncResult BeginInvoke(Delegate method)),一句话就是通过委托调用另一个线程的异步方法.

验证方法：当线程执行时，拖拽主窗体，没有卡死迹象.

 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
 using System.Drawing;
 using System.Linq;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows.Forms;

 namespace WinFormInvoke
 {
     public partial class frMain : Form
     {
         Invoker Invoker;

         public frMain()
         {
             InitializeComponent();
         } 

         private void frMain_Load(object sender, EventArgs e)
         {
             Invoker = new Invoker(AsynUpdateTxtMethod);
         }

         public void UpdateTxtMethod(string msg)
         {
             tbResult.AppendText(msg + "\r\n");
             tbResult.ScrollToCaret();
         }

         public void AsynUpdateTxtMethod(string msg)
         {
             if (tbResult.InvokeRequired)
             {
                 this.BeginInvoke(new Invoker.CallbackFunc(UpdateTxtMethod), msg);
             }
             else
             {
                 UpdateTxtMethod(msg);
             }
         } 

         private void btnStart_Click(object sender, EventArgs e)
         {
             Invoker.DoThread(int.Parse(tbAmount.Text.Trim()));
         }
     }
 }

 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;

 namespace WinFormInvoke
 {
    public class Invoker
    {
         public delegate void CallbackFunc(string msg);
         public CallbackFunc AsynCallback;

         public Invoker(CallbackFunc callback)
         {
             AsynCallback = callback;
         }

         public virtual void TheadMethod(int amount)
         {
             this.AsynCallback("线程开始");
             for (int i = ; i < amount; i++)
             {
                 this.AsynCallback(i.ToString());
                 Thread.Sleep();
             }

             this.AsynCallback("线程结束");
         }

         public virtual void DoThread(int amount)
         {
             Thread t = new Thread(new ThreadStart(delegate
             {
                 TheadMethod(amount);
             }));

             t.Start();
         }
     }
 }

Invoker

Code:  WinFormInvoke.zip