摘要： usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Linq;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.Net.Mail;usingSystem.Net;usingSystem.IO; namespaceSendMail{publicpartialclassSendMail:Form{publicSendMail(){InitializeCo 阅读全文