using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WinFormsApp
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e) //Sender就是这么用的,它是消息的发送者/拥有者
{
if (sender == this.button1)
{
textBox1.Text = "按钮1被点击";
}
if (sender == this.button2)
{
this.textBox1.Text = "按钮2被点击";
}
}
}
}
最后修改:2022 年 12 月 05 日
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