计算器2------C#窗体
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms; namespace form1{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private int op1, op2, re; private char op; private void button2_Click(object sender, EventArgs e) { this.textBox1.Text = ""; this.textBox2.Text = ""; this.textBox3.Text = ""; } private void button1_Click(object sender, EventArgs e) { op1 = int.Parse(this.textBox1.Text); op2 = int.Parse(this.textBox2.Text); if (radioButton1.Checked == true) { re = op1 + op2; this.textBox3.Text = re.ToString(); } if (radioButton2.Checked == true) { re = op1- op2; this.textBox3.Text = re.ToString(); } if (radioButton3.Checked == true) { re = op1 * op2; this.textBox3.Text = re.ToString(); } if (radioButton4.Checked == true) { re = op1 /op2; this.textBox3.Text = re.ToString(); } } private void Form1_Load(object sender, EventArgs e) { } }}