Delphi实现自我删除

unit Unit1; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type TForm1 = class(TForm) Button1: TButton; procedure Button1Click(Sender: TObject); private { Private declarations } public { Public declarations } end; var Form1: TForm1; implementation {$R *.DFM} procedure DeleteMe; var BatchFile: TextFile; BatchFileName: string; ProcessInfo: TProcessInformation; StartUpInfo: 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 TForm1.Button1Click(Sender: TObject); begin DeleteMe; close; end; end.