Error:

1>C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\include sal.h(2367): error C2143: syntax error: missing ‘;’ before ‘string’

C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\include\sal.h(2367): error C2059:Syntax error: ‘string’

C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\include sal.h(2367): error C2143: syntax error: missing ‘;’ before ‘{‘

C:\Program Files (x86)\Microsoft Visual Studio 11.0\VC\include sal.h(2367): error C2447: ‘{‘: missing function header(Old Formal List?)

I can’t believe you forgot the semicolon after the class statement;