Lovely! Thanks, Jeff
-Rich
Jeff Young wrote
> Rich,
> Thought I'd chime in with code that I've used for the very same
> process. It worked on D7... HTH.
>
>
> unit Process;
>
> interface
>
> uses
> Classes, Windows, SysUtils;
>
> function ExecuteWait(Path, Command, Params: String; ShowWindow: Word;
> Output: TStringList): DWord;
> function GetTempFile: String;
>
> implementation
>
> function ExecuteWait(Path, Command, Params: String; ShowWindow: Word;
> Output: TStringList): DWord;
> // Build a temporary filename -----------
> var
> StartupInfo: TStartupInfo;
> ProcessInfo: TProcessInformation;
> saAttr: TSecurityAttributes;
> hOut, hInp: THandle;
> outFile, inpFile: String;
>
> begin
> if Path = '' then begin
> Output.Add('Path not specified: ' + Path);
> exit;
> end;// if Path
> saAttr.nLength := sizeof(TSecurityAttributes);
> saAttr.bInheritHandle := True;
> saAttr.lpSecurityDescriptor := nil;
> hOut := STD_OUTPUT_HANDLE;
> hInp := STD_INPUT_HANDLE;
>
> if Output <> nil then begin
> outFile := GetTempFile;
> hOut := CreateFile(PChar(outFile),
>
> GENERIC_READ or GENERIC_WRITE,
> 0,
> @saAttr,
> CREATE_ALWAYS,
> FILE_ATTRIBUTE_TEMPORARY,
> 0);
> end; // if Output <> nil
>
> ZeroMemory(@ProcessInfo, SizeOf(TProcessInformation));
> ZeroMemory(@StartupInfo, SizeOf(TStartupInfo));
>
> with StartupInfo do begin
> cb := SizeOf(TStartupInfo);
> hStdOutput := hOut;
> hStdError := hOut;
> hStdInput := hInp;
> wShowWindow := ShowWindow;
> dwFlags := STARTF_USESHOWWINDOW or STARTF_USESTDHANDLES;
> end; // with
>
> if CreateProcess(nil,
> PChar('"'+
> Path + Command + '" ' + Params),
> @saAttr,
> @saAttr,
> True,
> 0,
> nil,
> PChar(Path),
> StartupInfo,
> ProcessInfo) then begin
> WaitForSingleObject(ProcessInfo.hProcess, INFINITE);
> repeat
> GetExitCodeProcess(ProcessInfo.hProcess, Result);
> //Application.ProcessMessages;
> until (Result <> STILL_ACTIVE);
> CloseHandle(ProcessInfo.hProcess);
> CloseHandle(ProcessInfo.hThread);
> if Output <> nil then begin
> CloseHandle(hOut);
> Output.LoadFromFile(outFile);
> end; // if Output <> nil
> DeleteFile(inpFile);
> DeleteFile(outFile);
> end // if CreateProcess(...
> else
> Output.Add('Create Process failed. Code: ' +
> IntToStr(GetLastError()));
> end; //
>
> function GetTempFile: String;
> var
> DirBuf, FileBuf: Array [0..255] of char;
> begin
> GetTempPath(Length(DirBuf), DirBuf);
> GetTempFileName(DirBuf, 'tmp', 0, PChar(@FileBuf));
> Result := FileBuf;
> end;//GetTempFile
>
> end.
>
>
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>
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