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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace WindowsFormsApplication3
{
class Class1
{
private int _a = 1;
public int A
{
get { return _a; }
set
{
if (_a != value)
{
_b = value + 1;
_a = value;
}
}
}
private int _b = 2;
public int B
{
get { return _b; }
set { _b = value; }
}
}
}
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 WindowsFormsApplication3
{
public partial class Form1 : Form
{
private Class1 _class1 = new Class1();
private TextBox tbA;
private TextBox tbB;
private Button button1;
public Form1()
{
tbA = new TextBox(); //与A绑定
tbB = new TextBox(); //与B绑定
button1 = new Button();
tbA.Location = new Point(105, 39);
tbA.Name = "tbA";
tbA.Size = new Size(121, 21);
tbB.Location = new Point(106, 118);
tbB.Name = "tbB";
tbB.Size = new Size(119, 21);
button1.Location = new Point(148, 67);
button1.Name = "button1";
button1.Size = new Size(23, 45);
button1.TabIndex = 2;
button1.Text = "B加1";
button1.Click += new System.EventHandler(button1_Click);
this.Controls.Add(this.button1);
this.Controls.Add(this.tbB);
this.Controls.Add(this.tbA);
tbA.DataBindings.Add("Text", _class1, "A");
tbB.DataBindings.Add("Text", _class1, "B");
}
private void button1_Click(object sender, EventArgs e)
{
_class1.B += 1;
}
}
}
class Class1 : INotifyPropertyChanged
{
private int _a = 1;
public int A
{
get { return _a; }
set
{
if (_a != value)
{
_b = value + 1;
_a = value;
}
}
}
private int _b = 2;
public int B
{
get { return _b; }
set
{
_b = value;
NotifyPropertyChanged("B");
}
}
#region INotifyPropertyChanged 成员
public event PropertyChangedEventHandler PropertyChanged;
public void NotifyPropertyChanged(string ProName)
{
if (PropertyChanged != null)
{
PropertyChanged(this, new PropertyChangedEventArgs(ProName));
}
}
#endregion
}