附件 http://files.cnblogs.com/xe2011/CSharp_WindowsForms_delegate01.rar

需要每个窗体是独立存在,禁止相与引用窗体

这样干净并且可以反复重用

C# 动态创建出来的窗体间的通讯 delegate1-LMLPHP

Form1的代码

      private void button1_Click(object sender, EventArgs e)
{
Form2 f2 = new Form2();
f2.XYZ += new Form2.CallBack(GetForm2TextBox1Text);
f2.Show();
} void GetForm2TextBox1Text(string s)
{
textBox1.Text = s;
}

Form2

        public delegate void CallBack(string s);
public event CallBack XYZ;
private void textBox1_TextChanged(object sender, EventArgs e)
{
XYZ(textBox1.Text);
}

Form1的完整代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms; namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
} private void button1_Click(object sender, EventArgs e)
{
Form2 f2 = new Form2();
f2.XYZ += new Form2.CallBack(GetForm2TextBox1Text);
f2.Show();
} void GetForm2TextBox1Text(string s)
{
textBox1.Text = s;
} }
}

Form1

Form2的完整代码

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms; namespace WindowsFormsApplication2
{
public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
} public delegate void CallBack(string s);
public event CallBack XYZ;
private void textBox1_TextChanged(object sender, EventArgs e)
{
XYZ(textBox1.Text);
} }
}

Form2

05-07 12:28