#作业要求
乘法计算器
#程序
namespace 乘法计算器
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
float num1 = 0;
float num2 = 0;
num1 = float.Parse(textBox1.Text);
num2 = float.Parse(textBox2.Text);
float result = 0;
result= num1 * num2;
textBox3.Text=result.ToString();
}
private void button2_Click(object sender, EventArgs e)
{
textBox1.Text = "";
textBox2.Text = "";
textBox3.Text = "";
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
}
private void textBox2_TextChanged(object sender, EventArgs e)
{
}
private void textBox3_TextChanged(object sender, EventArgs e)
{
}
private void label1_Click(object sender, EventArgs e)
{
}
private void label2_Click(object sender, EventArgs e)
{
}
private void label3_Click(object sender, EventArgs e)
{
}
private void label4_Click(object sender, EventArgs e)
{
}
private void label5_Click(object sender, EventArgs e)
{
}
}
}
#效果
