Работа с формами

      Stream^ myStream;
      SaveFileDialog^ saveFileDialog1 = gcnew SaveFileDialog;
      saveFileDialog1->Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
      saveFileDialog1->FilterIndex = 2;
      saveFileDialog1->RestoreDirectory = true;
      if ( saveFileDialog1->ShowDialog() == ::DialogResult::OK )
      {
         if ( (myStream = saveFileDialog1->OpenFile()) != nullptr )
         {
 
            //здесь должен быть код чтения из потока
            myStream->Close();
         }
      }

IO::Stream^ myStream;
        OpenFileDialog^ openFileDialog1 = gcnew OpenFileDialog;
 
        openFileDialog1->InitialDirectory = "c:\\";
        openFileDialog1->Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
        openFileDialog1->FilterIndex = 2;
        openFileDialog1->RestoreDirectory = true;
 
        if (openFileDialog1->ShowDialog() == System::Windows::Forms::DialogResult::OK)
        {
            if ((myStream = openFileDialog1->OpenFile()) != nullptr)
            {
                // Insert code to read the stream here.
                myStream->Close();
            }
}