摘要：
unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, ExtCtrls, StdCtrls;typeTMyThread = class(TThread) private { Private declarations } procedure AddTh; procedure DecTh; protected procedure Execute; override; end; TForm1 = class(TForm) Edit1: T 阅读全文