Rumpelrausch ZR-3 and AZR3

i am compiling using Visual C++ 6. I have it working all except for 5 errors.

Compiling...
Controls.cpp
c:\c++\projects\zr3\source\controls.cpp(219) : error C2227: left of '->setParameter' must point to class/struct/union
c:\c++\projects\zr3\source\controls.cpp(224) : error C2227: left of '->setParameter' must point to class/struct/union
c:\c++\projects\zr3\source\controls.cpp(386) : error C2227: left of '->setParameter' must point to class/struct/union
c:\c++\projects\zr3\source\controls.cpp(391) : error C2227: left of '->setParameter' must point to class/struct/union
c:\c++\projects\zr3\source\controls.cpp(463) : error C2227: left of '->setParameter' must point to class/struct/union
Error executing cl.exe.

zr3_vsti.dll - 5 error(s), 0 warning(s)

I am really not sure what is wrong. I am a total amature. Please help me out in my crash course in VST development :)

Phil