方法一:
效果如下图所示:
代码如下:
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 WinShowDown
{
public partial class FrmMain : Form
{
public FrmMain()
{
In