Marco, when you stated that for performance you need to use C, would that 
include Visual C++ as well?
Is Visual C++ a better performance than Visual Basic?
And is Visual C++ equal to C?

that is all for now... mikeM



>From: Marco Straforini <marco.straforini@c...>
>Reply-To: "professional vb" <pro_vb@p...>
>To: "professional vb" <pro_vb@p...>
>Subject: [pro_vb] RE: DCOM, Sockets, OLE Remote Automation, Callback ????
>Date: Mon, 30 Jul 2001 16:24:33 -0700
>
>Donald,
>
>what you asked for is the best design for a dcom application: it
>is quite of a question, and there is no a clear answer.
>It really depends on the application that you are going to implement,
>and what kind of performances you want. You can well imagine that
>people make very big money working on design like that...
>
>If you are new to com programming, I suggest you Daniel Appleman's
>"Developing Com/ActiveX components with Visual Basic".
>
>If the application you/your company is implementing is very complex,
>you need someone with a strong background on client/server application
>to help you. Keep also in mind that sometimes Visual Basic is not
>the right approach. It is a good start for testing, but when performance
>is a must and VB does not keep up, you have to switch to C.
>
>Maybe this is not the answer you wanted :-) I have right now years of
>experience working on server/client applications, and I can tell you that
>with a good design you are 75% done. Start with a bad design, and
>you will throw away months of developing.
>
>m.
>
>
> > -----Original Message-----
> > From: dburr [SMTP:dburr@n...]
> > Sent: Sunday, July 29, 2001 10:26 AM
> > To: professional vb
> > Subject: [pro_vb] DCOM, Sockets, OLE Remote Automation, Callback ????
> >
> > We are building an application where the central application needs to
> > control a number of other apps running on other machines on the network.
> > The
> > main app needs to be able to
> >
> > execute commands/methods on the remote apps
> > set and read properties on the remote apps
> > receive status messages back from the salves (including errors and
> > progress)
> > determine if the remote app has stopped responding
> >
> >
> > There seem to be a number of ways to accomplish this, any thoughts as to
> > which method yields the best results?
> >
> >
> >
> > Thank You
> > Donald Burr
>
>
>