Windows API design

[frankly]

Oh I think I get a better idea of what you mean now

I have 6 C programs and I have a windows API program
the pipes are for the 6 C programs to communicate with the API program, bcoz the C programs have to pass parameters to the API program, am I right?

Oh...that would be real nasty then...I thought I'll only have to write a little program. And now I think it's another big program...

So these 6 C programs, I have to make them to be "application window" when I create a project right? Bcoz I was making "console window" before for the UNIX running

[edit]
Oh sorry, one more thing, do I have to use named pipes or anonymous pipes?
Thanz!!