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 + "
");
            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 = 0; i < amount; i++)
            {
                this.AsynCallback(i.ToString());               
                Thread.Sleep(1000);
            }

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

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

            t.Start();
        }
    }
}

Code:  WinFormInvoke.zip