delegate委托的例子,实现对Form中控件的更新

摘要: using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;u…阅读全文

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	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 Invoketest
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}


public void UpdateForm(string param1, string parm2)
{
this.textBox1.Text = param1 + parm2;
}

public delegate void UpdateForm_dl(string str1, string str2);

private void Calldelegate()
{

/*在Windows窗体应用程序中使用this.Invoke 在WPF应用程序中使用this.Dispatcher.Invoke*/

this.BeginInvoke(new UpdateForm_dl(UpdateForm), new object[] { "我是文本框", "haha" });

//this.Dispatcher.BeginInvoke(new UpdateForm_dl(UpdateForm), new object[] { "我是文本框", "haha" });

}

public void DoWork()
{
Calldelegate();
}



private void Form1_Load(object sender, EventArgs e)
{

}

private void button1_Click(object sender, EventArgs e)
{
Thread thread = new Thread(new ThreadStart(DoWork));
thread.Start();
}
}
}