loginform.cs

来自「计算机考试管理系统 包括模拟测试」· CS 代码 · 共 40 行

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace CTestApp
{
    public partial class LoginForm : Form
    {
        private int iCounter = 0;

        public LoginForm()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (textBox1.Text == "CTT")
            {
                this.DialogResult = DialogResult.OK;
            }
            else
            {
                if (++iCounter == 3)
                {
                    MessageBox.Show("输入错误次数达到3次，将退出应用程序", "警告", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    this.DialogResult = DialogResult.Cancel;
                }
                else
                {
                    MessageBox.Show("密码不正确，请重新输入", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
        }
    }
}