C++, VS2010, Form projectet létrehoztam, és szeretnék bele Socketet tenni, viszont ha beleteszem a socketet, akkor az errort ír, mi lehet a gond? (a hiba lent)

1>------ Build started: Project: ChatServer, Configuration: Debug Win32 ------

1> ChatServer.cpp

1>c:\aid\programing\projects\chat\chatserver\Form1.h(9): error C4430: missing type specifier - int assumed. Note: C++ does not support default-int

1>c:\aid\programing\projects\chat\chatserver\Form1.h(9): error C2371: 'sock_Connection' : redefinition; different basic types

1> c:\aid\programing\projects\chat\chatserver\Form1.h(8) : see declaration of 'sock_Connection'

========== Build: 0 succeeded, 1 failed, 1 up-to-date, 0 skipped ==========