[newkidtopc]

Hello,
As a part of the final year project we have to upgrade a alarm logging software to Windows environment.
We already have the existing code (which is in c).This program runs under DOS.It uses functions like inportb(),outportb() etc to communicate with serial ports.
We do not want to spend time redoing the same task ie we would like to have the exixsting program handle all the serial communication stuff.
We would like to have the info from serial port to be displayed on screen using VB program.
Will the current C program still work under Windows?

[Snake~eyes]

I couldn't tell you an answer, but I'd be a smart *** and make the VB program just run the C exe. VB Program says click here to start. hehe

[newkidtopc]

Real smart
hehe
But I want an honest answer.There is some part of the existing program that I do not want to disturb.So that I can spend more time dealing with other enhancements

[Gibble]

Make a dll from the C code to reference from your VB app.

[coderitr]

What Gibble said is correct. You can also make the DLL perform a callback to a function in your VB program and update the screen from there. You may be able to pass the window handle from your form to the DLL function and have the C part update the window for itself but that may be harder than the callback. I can provide a sample of a C DLL function that calls back to a VB program if you want to see it.

[newkidtopc]

thanks very much coderitr,
That would really help me.
Could you post the code for me?
Thanks

[coderitr]

Send me your email address in a PM and I'll send you the package. There is a VB project and a Visual C++ project.