计算机二级DELPHI函数:delphi自删除函数DeleteMe计算机二级考试
文章作者 100test 发表时间 2009:05:07 18:06:52
来源 100Test.Com百考试题网
2009年下半年全国计算机等级考试你准备好了没?考计算机等级考试的朋友,2009年下半年全国计算机等级考试时间是2009年9月19日至23日。更多优质资料尽在百考试题论坛 百考试题在线题库
delphi 程序自删除函数 DeleteMe
procedure DeleteMe.
var
BatchFile: TextFile.
BatchFileName: string.
ProcessInfo: TProcessInformation.
StartUpInfo: TStartupInfo.
begin
BatchFileName := ExtractFilePath(ParamStr(0)) $$del$$.bat .
AssignFile(BatchFile, BatchFileName).
Rewrite(BatchFile).
Writeln(BatchFile, :try ).
Writeln(BatchFile, del " GetShortName(ParamStr(0)) " ).
Writeln(BatchFile, if exist " GetShortName(ParamStr(0)) " goto try ).
Writeln(BatchFile, del %0 ).
Writeln(BatchFile, cls ).
Writeln(BatchFile, exit ).
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.