摘要： 计算器 1 namespace WindowsFormsApplication1 2 { 3 public partial class Form1 : Form 4 { 5 public Form1() 6 { 7 InitializeComponent(); 8 } 9 private void button1_Click(object sender, EventArgs e)10 {11 int a = Convert.ToInt32(this.t... 阅读全文