kasnti

//界面移动 Point mouseOff;//鼠标移动位置变量 bool leftFlag;//标记是否为左键 private void Form1_MouseDown(object sender, MouseEventArgs e) { if (e.Button == MouseButtons.Left)

using System.Text.RegularExpressions; private string pattern = @"^[0-9]*$"; private string param1 = null; //在txtage change里面 Match m = Regex.Match(this.txtage.Text, pattern); // 匹配正则表达式 if (!m.Suc

zc.Text = string.Empty;        //两行作用是一样的 zc.Text = "";