c++ build error help please

[xXsnakemasterXx]

1>------ Build started: Project: Zenix D3Dbase, Configuration: Debug Win32 ------
1>Compiling...
1>D3dbase.cpp
1>.\D3dbase.cpp(7) : error C2059: syntax error : '/'
1>.\D3dbase.cpp(9) : fatal error C1083: Cannot open include file: 'C3MenuClass.h': No such file or directory
1>Build log was saved at "file://c:\Users\INTERENT\Documents\Visual Studio 2008\Projects\Zenix D3Dbase\Zenix D3Dbase\Debug\BuildLog.htm"
1>Zenix D3Dbase - 2 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========







please I need help to resolve this error I have the project but I get this error already directx sdk I would be missing this one please help