/// <summary> /// Open a file persistence with dialog and user interaction. /// </summary> public void OnOpen(string typeOfDocument , string defaultPath , string defaultFallbackPath , IFileManager docManager , IExplorer explorer , IList <IFileItem> pathCollection ) { try { IFileFilterEntries fileEntries = null; // Get filter strings for document specific filters or all filters // depending on whether type of document is set to a key or not. fileEntries = docManager.GetFileFilterEntries(typeOfDocument); var pathColl = explorer.FileOpenMultipleFiles(fileEntries.GetFilterString() , defaultPath , defaultFallbackPath); if (pathColl != null) { foreach (string fileName in pathColl) { pathCollection.Add(docManager.GetFileItem(fileName)); } } } catch (Exception exp) { var msg = GetService <IContentDialogService>().MsgBox; //logger.Error(exp.Message, exp); msg.Show(exp, "Unexpected Error", MsgBoxButtons.OK, MsgBoxImage.Error, MsgBoxResult.NoDefaultButton); } }