Zapis obrazu z PictureBox do pliku

private: System::Void button1_Click( System::Object ^ sender, System::EventArgs ^ e ) {
   
    Stream ^ myStream;
    SaveFileDialog ^ saveFileDialog1 = gcnew SaveFileDialog;
    saveFileDialog1->Filter = "JPeg Image|*.jpg|Bitmap Image|*.bmp|Gif Image|*.gif";
    saveFileDialog1->FilterIndex = 2;
    saveFileDialog1->RestoreDirectory = true;
    if( saveFileDialog1->ShowDialog() == System::Windows::Forms::DialogResult::OK )
    {
        if(( myStream = saveFileDialog1->OpenFile() ) != nullptr )
        {
           
            // Code to write the stream goes here.
            this->PictureBox1->Image->Save( myStream, System::Drawing::Imaging::ImageFormat::Bmp );
            myStream->Close();
        }
    }