www.pudn.com > 365codes.cn19MailToCode.rar > add.cs

using System; 
using System.Collections.Generic; 
using System.ComponentModel; 
using System.Data; 
using System.Drawing; 
using System.Text; 
using System.Windows.Forms; 
using System.Text.RegularExpressions; 
 
namespace MailTo 
{ 
    public partial class add : Form 
    { 
        public add() 
        { 
            InitializeComponent(); 
        } 
        public string email; 
        private void button1_Click(object sender, EventArgs e) 
        { 
           Regex myreg=new Regex(@"^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$"); //email验证 
           if (myreg.IsMatch(textBox1.Text)) 
           { 
               email = textBox1.Text; 
               this.DialogResult = DialogResult.OK; 
           } 
           else 
           { 
               textBox1.Text = ""; 
               msg.Text = "邮箱格式不正确，请重新输入！"; 
               this.DialogResult = DialogResult.None; 
           } 
        } 
 
        private void button2_Click(object sender, EventArgs e) 
        { 
            this.DialogResult = DialogResult.Cancel; 
        } 
 
        private void textBox1_TextChanged(object sender, EventArgs e) 
        { 
            msg.Text = ""; 
        } 
 
        private void textBox1_KeyDown(object sender, KeyEventArgs e) 
        { 
            if (e.KeyCode == Keys.Enter) 
            { 
                Regex myreg = new Regex(@"^\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$"); //email验证 
                if (myreg.IsMatch(textBox1.Text)) 
                { 
                    email = textBox1.Text; 
                    this.DialogResult = DialogResult.OK; 
                } 
                else 
                { 
                    textBox1.Text = ""; 
                    msg.Text = "邮箱格式不正确，请重新输入！"; 
                    this.DialogResult = DialogResult.None; 
                } 
            } 
        } 
    } 
}