Create GUI App in c++ and c# with DLL Library Framework on Visual studio 2017 57

Shows how to create a #GUI windows form project with #dll library in c plus plus and c sharp on visual studio 2017 C code: // is one file #include “MyForm.h“ int main() { guicpp::MyForm form; (); return 0; } // is one source file #include ＜iostream＞ //for cout #include ＜fstream＞ // for ofstream/ifstream #include ＜string＞ //for ＜＜ and getline #include＜list＞ //for lists #include “Header.h“ void Header::pullout_contents(std::string in_file, std::list＜std::string＞ &elements) { std::ifstream input_file(()); (); std::string line; for (int line_no = 1; std::getline(input_file, line); line_no) { (line); } (); } void Header::show_contents(std::ostream &out, const std::list