To formalize and expand my comment, Consoleclass and Systemnamespace in general are part of the .NET platform.
"++", MSDN Console:: SetCursorPosition (int, int) ++/CLI. ++/CLI ( ) ++. , ++/CLI , ++, Win32.
, "Error: name must be a namespace name", Win32 ++ CLR. - , "Visual ++" / "CLR":

deplendencies .lib( Lib Files as Linker Input) Win32 CLR . " " " , ":

, System CLR.
MSDN .
, Win32, "Common Language Runtime Support" "" "C/++, General" /clr, /clr:pure, /clr:safe /clr:oldSyntax ( , /clr) , . Net framework, .vcxproj( ). , .