using System;
using System.Collections.Generic;
using System.Text;
namespace WF.ThreadFrom
{
public delegate void TextChangedEventHander(object sender,TextChangedEventEventArgs e);
public class TextChangedEventEventArgs:EventArgs
{
private string msg;
public string Msg
{
get { return msg; }
}
public TextChangedEventEventArgs(string message)
{
this.msg = message;
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
namespace WF.ThreadFrom
{
public delegate void SelectionChangedEventHandler(object sender, SelectionChangedEventArgs e);
public class SelectionChangedEventArgs:EventArgs
{
private string m_selection;
//本属性用于传递事件数据
public string Selection
{
get { return m_selection; }
}
public SelectionChangedEventArgs(string selection)
{
m_selection = selection;
}
}
}
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace WF.ThreadFrom
{
public partial class Form2 : Form
{
public event SelectionChangedEventHandler SelectionChanged;
public event TextChangedEventHander TextChanged;
public Form2()
{
InitializeComponent();
}
private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
if (SelectionChanged != null)
{
SelectionChangedEventArgs E = new SelectionChangedEventArgs(comboBox1.Text);
SelectionChanged(this, E);
}
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
if (TextChanged != null)
{
TextChangedEventEventArgs E = new TextChangedEventEventArgs(textBox1.Text);
TextChanged(this, E);
}
}
}
}
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace WF.ThreadFrom
{
public partial class Form1 : Form
{
private Form2 frm;
public Form1()
{
InitializeComponent();
frm = new Form2();
frm.SelectionChanged += new SelectionChangedEventHandler(frm_SelectionChanged);
frm.TextChanged += new TextChangedEventHander(frm_TextChanged);
}
void frm_TextChanged(object sender, TextChangedEventEventArgs e)
{
textBox1.Text = e.Msg;
}
void frm_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
textBox1.Text = e.Selection;
}
private void button1_Click(object sender, EventArgs e)
{
frm.ShowDialog();
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
}
}
}
转载于:https://www.cnblogs.com/Mr0909/archive/2011/12/10/2283321.html
相关资源：Winform窗体之间传值（子窗体传给父窗体）代码实例
