c#超详细计算器代码(7)

c#简易计算器源代码!

}

textBox1.Text = (num1 / num2).ToString(); break;

}

ysf = 1;

button14.Focus();

}

private void button11_Click(object sender, EventArgs e)

{

if (textBox1.Text.IndexOf(".") == -1)

{

textBox1.Text += ".";

}

button14.Focus();

}

private void button17_Click(object sender, EventArgs e)

{

textBox1.Text = "0";

}

private void button18_Click(object sender, EventArgs e)

{

textBox1.Text = textBox1.Text.Substring(0, textBox1.Text.Length - 1); if (Convert.ToDouble(textBox1.Text.Length - 1) < 0) {

textBox1.Text = "0";

}

button14.Focus();

}

private void Form1_Load(object sender, EventArgs e)

{

this.KeyPreview = true;

}

private void Form1_KeyPress(object sender, KeyPressEventArgs e)

{

switch (e.KeyChar.ToString())

{

case "1": button1_Click(sender, e); break;

case "2": button2_Click(sender, e); break;

case "3": button3_Click(sender, e); break;

百度搜索“77cn”或“免费范文网”即可找到本站免费阅读全部范文。收藏本站方便下次阅读，免费范文网，提供经典小说教育文库c#超详细计算器代码(7)在线全文阅读。