
25.02.2007, 14:13
|
|
Участник форума
Регистрация: 04.01.2007
Сообщений: 176
С нами:
10184006
Репутация:
1362
|
|
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;
|
|
|