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Старый 25.02.2007, 14:13
begin_end
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По умолчанию

Вот готовый пример реализации, рабочий и на Дельфи:
Код:
function Dos2Win(CmdLine:String):string;
 const BUFSIZE = 2000; 
 var SecAttr : TSecurityAttributes; 
hReadPipe, hWritePipe : THandle; StartupInfo: TStartUpInfo; ProcessInfo: TProcessInformation; 
Buffer : Pchar; WaitReason, BytesRead : DWord; 
begin 
  with SecAttr do
   begin 
    nlength := SizeOf(TSecurityAttributes); 
    binherithandle := true; 
    lpsecuritydescriptor := nil; 
   end; 
// Creazione della pipe 
   if Createpipe (hReadPipe, hWritePipe, @SecAttr, 0) then 
    begin 
     Buffer := AllocMem(BUFSIZE + 1); // Allochiamo un buffer di dimensioni BUFSIZE+1 
     FillChar(StartupInfo, Sizeof(StartupInfo), #0);
     StartupInfo.cb := SizeOf(StartupInfo); 
     StartupInfo.hStdOutput := hWritePipe; 
     StartupInfo.hStdInput := hReadPipe; 
     StartupInfo.dwFlags := STARTF_USESTDHANDLES + STARTF_USESHOWWINDOW; 
     StartupInfo.wShowWindow := SW_HIDE; 
     if CreateProcess(nil,PChar(CmdLine),@SecAttr,@SecAttr,true,NORMAL_PRIORITY_CLASS,nil, 
nil,StartupInfo, ProcessInfo) then 
      begin 
// Attendiamo la fine dell'esecuzione del processo 
      repeat 
      WaitReason := WaitForSingleObject( ProcessInfo.hProcess,100); 
      Application.ProcessMessages; 
      until (WaitReason <> WAIT_TIMEOUT); 
// Leggiamo la pipe 
      Repeat 
      BytesRead := 0; 
// Leggiamo "BUFSIZE" bytes dalla pipe 
      ReadFile(hReadPipe, Buffer[0], BUFSIZE, BytesRead, nil); 
// Convertiamo in una stringa "\0 terminated" 
      Buffer[BytesRead]:= #0; 
// Convertiamo i caratteri da DOS ad ANSI 
      OemToAnsi(Buffer,Buffer); 
// Scriviamo nell' "OutMemo" l'output ricevuto tramite pipe 
      Result := Result + String(Buffer);
      until (BytesRead < BUFSIZE); 
     end; 
     FreeMem(Buffer); 
     CloseHandle(ProcessInfo.hProcess); 
     CloseHandle(ProcessInfo.hThread); 
     CloseHandle(hReadPipe); 
     CloseHandle(hWritePipe);
    end;
end;
 
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