C++: Can't use std::wstringstream

Question

For some reason, my project won't compile when I try to create a wstringstream:

std::wstringstream stringstream;

This causes error C2079:

'stringstream' uses undefined class 'std::basic_stringstream<_Elem, _Traits, _Alloc> with [_Elem=wchar_t, _Traits=std::char_traits, _Alloc=std::allocator'

What am I doing wrong?

Answer 1

Include <sstream> header