visual c++ - Access Denied in CreateFile2 (Windows 10) -

i trying write file via c++ code. getting "error_access_denied". 1 please me identify missing in below code. have write file using c++ project requirement.

 handle hfile;      hfile = createfile2(text("e:\\mytextfile.txt"), generic_write , file_share_read | file_share_write | file_share_delete, create_new, null);     if (invalid_handle_value == hfile)     {         string^ msg = "uncached error";          switch (getlasterror())         {             case error_file_not_found: msg = "file not found "; break;             case error_access_denied: msg = "access denied "; break;            default: break;         }          messagedialog(msg, "error").showasync();     }     else     {          platform::string^ data = txtreadwrite->text->tostring();          writefile(hfile,&data, (dword)sizeof(data), (dword)0, null);          closehandle(hfile);     } 

windows store apps run in low-privilege sandbox called app container. cannot access arbitrary files on system.

see the documentation details.