版权声明: https://blog.csdn.net/eds124/article/details/82799811
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 WindowsFormsApplication1
{
public partial class Form1 : Form
{
TextBox tbusername = new TextBox();
TextBox tbpassword = new TextBox();
Button blogin = new Button();
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
tbusername.Text = "用户名";
tbusername.Location = new Point(100, 100);
tbpassword.Text = "密码";
tbpassword.PasswordChar = '*';
tbpassword.Location = new Point(100, 125);
blogin.Text = "登陆";
blogin.Location = new Point(100, 150);
blogin.Click+=new EventHandler(blogin_Click);
this.Controls.Add(tbusername);
this.Controls.Add(tbpassword);
this.Controls.Add(blogin);
}
private void blogin_Click(object o, EventArgs ea)
{
if (tbusername.Text.Equals("") && tbpassword.Text.Equals(""))
{
this.WindowState = FormWindowState.Maximized;
tbusername.Visible = false;
tbpassword.Visible = false;
blogin.Visible = false;
}
}
}
}