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program Project1;                         {关键字program,标准的Pascal源文件格式}uses                                      {uses单元引用列表}  Forms,                                  {Forms窗体单元}  Unit1 in ‘Unit1.pas‘ {Form1};{$R *.res}                                {编译器指令,引用项目的资源文件}begin                                     {begin..end之间是具体的代码}  Application.Initialize;                 {初始化Appliaciton}  Application.CreateForm(TForm1, Form1);  {创建Application的主窗体}  Application.Run;                        {启动Application}end.                                      {关键字end.表示代码结束} | 
原文:http://www.cnblogs.com/BillLei/p/4279018.html