>How do you use your class? I think, I'll add a new macro (say, F7):
>
>cd ?
>modi proj ?
>
>Or I can create a program called InvokeProject, which will receive ProjectName as a parameter. However, I'm not sure, how this program would now the path to the project. Of course, I can use two parameters, but it seems like too much typing...

I keep the last ten open projects in the menu, so I just pick the one I want. The class is selected as the project class (rightclick project, project info, checkbox on page one) and it does the rest. No typing at all, just mouse.