摘要： Form1.csusingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.Threading;namespaceWindowsApplication{publicpartialclassForm1:Form{publicForm1(){InitializeComponent();}classmyclass{//单参数构造publi 阅读全文