C#控制臺計算器代碼

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 Caculator public partial class Form1 : Form public string ok1; public int OperationType; public double okl1, okl2; public Form1() InitializeComponent(); private void button1_Click(object sender, EventArgs e) /退格 if (textBox1.Text = | textBox1.Text = 0) textBox1.Text = ; else okl1 = Convert.ToDouble(textBox1.Text); ok1 = Convert.ToString(okl1 - okl1 % 10) / 10); textBox1.Text = ok1; private void button2_Click(object sender, EventArgs e) /清空按鈕 ok1 = ; textBox1.Text = 0; textBox1.Focus(); private void button9_Click(object sender, EventArgs e) /1按鈕 if (textBox1.Text = 0) ok1 = 1; textBox1.Text = Convert.ToString(ok1); else ok1 = ok1 + 1; okl2 = Convert.ToDouble(ok1); textBox1.Text = ok1; private void button10_Click(object sender, EventArgs e) /2 if (textBox1.Text = 0) ok1 = 2; textBox1.Text = Convert.ToString(ok1); else ok1 = ok1 + 2; okl2 = Convert.ToDouble(ok1); textBox1.Text = ok1; private void button11_Click(object sender, EventArgs e) /3 if (textBox1.Text = 0) ok1 = 3; textBox1.Text = Convert.ToString(ok1); else ok1 = ok1 + 3; okl2 = Convert.ToDouble(ok1); textBox1.Text = ok1; private void button6_Click(object sender, EventArgs e) /4 if (textBox1.Text = 0) ok1 = 4; textBox1.Text = Convert.ToString(ok1); else ok1 = ok1 + 4; okl2 = Convert.ToDouble(ok1); textBox1.Text = ok1; private void button5_Click(object sender, EventArgs e) /5 if (textBox1.Text = 0) ok1 = 5; textBox1.Text = Convert.ToString(ok1); else ok1 = ok1 + 5; okl2 = Convert.ToDouble(ok1); textBox1.Text = ok1; private void button8_Click(object sender, EventArgs e) /6 if (textBox1.Text = 0) ok1 = 6; textBox1.Text = Convert.ToString(ok1); else ok1 = ok1 + 6; okl2 = Convert.ToDouble(ok1); textBox1.Text = ok1; private void button3_Click(object sender, EventArgs e) /7 if (textBox1.Text = 0) ok1 = 7; textBox1.Text = Convert.ToString(ok1); else ok1 = ok1 + 7; okl2 = Convert.ToDouble(ok1); textBox1.Text = ok1; private void button4_Click(object sender, EventArgs e) /8 if (textBox1.Text = 0) ok1 = 8; textBox1.Text = Convert.ToString(ok1); else ok1 = ok1 + 8; okl2 = Convert.ToDouble(ok1); textBox1.Text = ok1; private void button7_Click(object sender, EventArgs e) /9 if (textBox1.Text = 0) ok1 = 9; textBox1.Text = Convert.ToString(ok1); else ok1 = ok1 + 9; okl2 = Convert.ToDouble(ok1); textBox1.Text = ok1; private void button15_Click(object sender, EventArgs e) /0 ok1 = ok1 + 0; okl2 = Convert.ToDouble(ok1); this.textBox1.Text=ok1; private void button17_Click(object sender, EventArgs e) /. try ok1 = Convert.ToString(ok1 + .); textBox1.Text = Convert.ToString(ok1 + ); catch private void button16_Click(object sender, EventArgs e) / +/- 正負(fù) okl1 = Convert.ToDouble(textBox1.Text); textBox1.Text = Convert.ToString(0 - okl1); private void button18_Click(object sender, EventArgs e) / - if (textBox1.TextLength 0) okl1 = Convert.ToDouble(textBox1.Text); ok1 = ; OperationType = 2; textBox1.Text = ; textBox1.Focus(); private void button14_Click(object sender, EventArgs e) / + if (textBox1.TextLength 0) okl1 = Convert.ToDouble(textBox1.Text); ok1 = ; OperationType = 1; textBox1.Text = ; textBox1.Focus(); private void button13_Click(object sender, EventArgs e) /* if (textBox1.TextLength 0) okl1 = Convert.ToDouble(textBox1.Text); ok1 = ; OperationType = 3; textBox1.Text = ; textBox1.Focus(); private void button12_Click(object sender, EventArgs e) / / if (textBox1.TextLength 0) okl1 = Convert.ToDouble(textBox1.Text); ok1 = ; OperationType = 4; textBox1.Text = ; textBox1.Focus(); private void button22_Click(object sender, EventArgs e) /= switch (OperationType) case 1: textBox1.Text = Convert.ToString(okl1 + Convert.ToDouble(ok1); okl2 = Convert.ToDouble(textBox1.Text); break; case 2: textBox1.Text = Convert.ToString(okl1 - Convert.ToDouble(ok1); okl2 = Convert.ToDouble(textBox1.Text); break; case 3: textBox1.Text = Convert.ToString(okl1 * Convert.ToDouble(ok1); okl2 = Convert.ToDouble(textBox1.Text); break; case 4: textBox1.Text = Convert.ToString(okl1 / Convert.ToDouble(ok1); okl2 = Convert.ToDouble(textBox1.Text); break; ok1 = ; okl1 = Convert.ToDouble(textBox1.Text); private void button21_Click(object sender, EventArgs e) / /% 倒數(shù) if (Convert.ToDouble(textBox1.Text) = 0) this.textBox1.Text = error; else okl2 = Convert.ToDouble(textBox1.Text); ok1 = ; textBox1.Text = Convert.ToString(1 / okl2); private void button20_Click(object sender, EventArgs e) /% ok1 = Convert.ToString(Convert.ToDouble(textBox1.Text) / 100); textBox1.Text = ok1; ok1 = ; private void button19_Click(object sender, EventArgs e) /sqrt求平方根 if (Convert.ToDouble(textBox1.Text) 0) this.textBox1.Text = error; else okl2 = Convert.ToDouble(textBox1.Text); ok1 = ; t