2015年11月5日 星期四
計算機
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 WindowsFormsApplication2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
textBox3.Text = System.Convert.ToString(Double.Parse(textBox1.Text) + Double.Parse(textBox2.Text));
}
private void label2_Click(object sender, EventArgs e)
{
}
private void button2_Click(object sender, EventArgs e)
{
textBox3.Text = System.Convert.ToString(Double.Parse(textBox1.Text) - Double.Parse(textBox2.Text));
}
private void button3_Click(object sender, EventArgs e)
{
textBox3.Text = System.Convert.ToString(Double.Parse(textBox1.Text) * Double.Parse(textBox2.Text));
}
private void button4_Click(object sender, EventArgs e)
{
textBox3.Text = System.Convert.ToString(Double.Parse(textBox1.Text) / Double.Parse(textBox2.Text));
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
}
private void label1_Click(object sender, EventArgs e)
{
}
private void textBox3_TextChanged(object sender, EventArgs e)
{
}
}
}
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