text: #include<iostream>
  #include<Windows.h>
  using namespace std;
  main() {
     string my_str = "Hello World";
     LPTSTR long_string = new TCHAR[my_str.size() + 1]; //define an array with size of my_str + 1
     strcpy(long_string, my_str.c_str());
     cout << "my_str is : " << my_str <<endl;
     cout << "Long String is : " << long_string <<endl;
  }