private void btnExport_Click(object sender, EventArgs e) { string fileName = Factory.GUIController.ShowSaveFileDialog("Export background as...", Constants.IMAGE_FILE_FILTER); if (fileName != null) { Bitmap bmp = Factory.NativeProxy.GetBitmapForBackground(_room, cmbBackgrounds.SelectedIndex); ImportExport.ExportBitmapToFile(fileName, bmp); bmp.Dispose(); } }