trylove0718的部落格

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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
{
String aa;
String m;

public Form1()
{
InitializeComponent();
}

private void button9_Click(object sender, EventArgs e)
{
Button b= sender as Button;

textBox1.Text += b.Text;

}

private void button8_Click(object sender, EventArgs e)
{
Button b = sender as Button;

textBox1.Text += b.Text;
}

private void button7_Click(object sender, EventArgs e)
{
Button b = sender as Button;

textBox1.Text += b.Text;
}

private void button6_Click(object sender, EventArgs e)
{
Button b = sender as Button;

textBox1.Text += b.Text;
}

private void button5_Click(object sender, EventArgs e)
{
Button b = sender as Button;

textBox1.Text += b.Text;
}

private void button4_Click(object sender, EventArgs e)
{
Button b = sender as Button;

textBox1.Text += b.Text;
}

private void button3_Click(object sender, EventArgs e)
{
Button b = sender as Button;

textBox1.Text += b.Text;
}

private void button2_Click(object sender, EventArgs e)
{
Button b = sender as Button;

textBox1.Text += b.Text;
}

private void button1_Click(object sender, EventArgs e)
{
Button b = sender as Button;

textBox1.Text += b.Text;
}

private void button10_Click(object sender, EventArgs e)
{
Button b = sender as Button;

textBox1.Text += b.Text;
}

private void button14_Click(object sender, EventArgs e)
{
Button mb = sender as Button;

m = mb.Text;

aa = textBox1.Text;

textBox1.Text = "";

}

private void button13_Click(object sender, EventArgs e)
{
Button mb = sender as Button;

m = mb.Text;

aa = textBox1.Text;

textBox1.Text = "";
}

private void button12_Click(object sender, EventArgs e)
{
Button mb = sender as Button;

m = mb.Text;

aa = textBox1.Text;

textBox1.Text = "";
}

private void button11_Click(object sender, EventArgs e)
{
Button mb = sender as Button;

m = mb.Text;

aa = textBox1.Text;

textBox1.Text = "";
}

private void button16_Click(object sender, EventArgs e)
{
textBox1.Text = "";

}

private void button15_Click(object sender, EventArgs e)
{
Double a = Double.Parse(aa);
if (aa == null)

return;
Double b = Int32.Parse(textBox1.Text);

Double c = 0;

switch (m)

{

case "+":

c = a + b;

break;

case "-":

c = a - b;

break;

case "*":

c = a * b;

break;

case "/":

c = a / b;


break;


}

textBox1.Text = c.ToString();
if (b == 0)
{
textBox1.Text = "除數不能為零";
}
}

private void textBox1_TextChanged(object sender, EventArgs e)
{

}

private void button17_Click(object sender, EventArgs e)
{

}

}
}