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 password
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
this.textBox1.LostFocus += new System.EventHandler(this.textBox1_LostFocus);
textBox1.PasswordChar = '\0';
textBox1.Text = "请输入密码";
}