[Lazarus] GUI Front-end to Windows console application???

[Andreas Schneider]

On Thursday, January 13, 2011 21:47 Bo Berglund wrote:
> I need to build a GUI application, which should act as a simple-to-use
> front-end to a Windows console program.
> The console program accepts a number of different commands, which are
> specified on its command line as parameters separated by spaces.
> When the console program is started with these parameters it performs
> its task and then exits.

> The command line parameters are rather complex and this is why I would
> like to build the GUI application in Delphi7 so I can present a
> comfortable view of it.

> So now I need it to do the following:

> 1) Run the console program with the given parameters.

> 2) Read back the output of the console program (it will be printed in
> the console).

> 3) Detect when the console program asks something and let the user
> read this in the GUI app and then respond to it by typing in the GUI.

> In the past (Using Delphi) and for other reasons I created a few
> helpers which I called ExecStart and ExecWait. Both of these starts a
> program, but the Wait variation also waits until the program exits.
> I used CreateProcess to start the program and WaitForSingleObject to
> check if it finished OK using its handle.

> So with ExecStart I can start a program with command line parameters
> all right, but how do I pick up the data printed to the console by the
> program while it runs?

> And how do I enter new input that the program may require when it does
> not finish execution?

> Any pointers to how this can be done appreciated.

Sure.  uses  process;  -->  TProcess  does  everything  you need; from
waiting, to piping. Have fun ;-)

-- 
Best Regards,
Andreas