问题来源: http://www.cnblogs.com/del/archive/2008/12/08/1350440.html#1395177
unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type TForm1 = class(TForm) Button1: TButton; procedure Button1Click(Sender: TObject); end; var Form1: TForm1; implementation {$R *.dfm} uses ImageHlp; {MapFileAndCheckSum 定义在这个单元} procedure TForm1.Button1Click(Sender: TObject); const exeFile = 'c:\windows\system32\notepad.exe'; {exe or dll} var size1,size2: Cardinal; begin MapFileAndCheckSum(exeFile, size1, size2); ShowMessageFmt('原生大小: %d; 修改后大小: %d', [size1,size2]); {函数返回 0 表示已顺利检测, 但还要判断 size1、size2 是否相等} end; end.