public bool TryExportScenePreview(IDiskResourceExporter<ImageFormat, Bitmap> exporter)
 {
     exporter.DataSource = AppModel.Instance.LayerManager.GetImagePreview();
     string extension = Path.GetExtension(exporter.FileName) ?? AppModel.Instance.DefaultImageFileExtension;
     exporter.ExportParameter = ImagingHelpers.GetImageFormatAssociated(extension);
     return exporter.ExportData();
 }
 public bool TryExportVector(IDiskResourceExporter<int, IList> exporter)
 {
     exporter.DataSource = AppModel.Instance.LayerManager.LayersList;
     return exporter.ExportData();
 }