VS2010 compiled through, why can appear in VS2019 note, please correct me modification, thank you!-CodePudding

#include
#include

using namespace std;

Int main ()
{

Ofstream OpenFile (" file. TXT ");

OpenFile & lt; <"Learning c + + is very useful." & lt;
return 0;

}

////////////////////////////////////

OpenFile & lt; <"Learning c + + is very useful." & lt;
Note: check the function template instantiation of are compiling "STD: : basic_ostream & lt; Char, STD: : char_traits & lt; char> & STD: : operator & lt; (STD: : basic_ostream & lt; Char, STD: : char_traits & lt; char> & , const char *) "a reference to the

How to fix it, thank you!