private void MenuItem_Click_1(object sender, RoutedEventArgs e) { OpenFileDialog openFile = new OpenFileDialog(); openFile.Title = "Select picture"; openFile.Filter = "All supported graphics|*.jpg;*.jpeg;*.png|" + "JPEG (*.jpg;*.jpeg)|*.jpg;*.jpeg|" + "Portable Network Graphic (*.png)|*.png"; if (openFile.ShowDialog() == true) { string nazwaPliku = Path.GetFileName(openFile.FileName); try { client2.addFile(File.OpenRead(openFile.FileName)); client2.putPicture(client.getID(), Path.GetFileName(openFile.FileName)); client.addRecord(openFile.FileName); } catch (Exception ex) { MessageBox.Show(ex.Message, "My app", MessageBoxButton.OK, MessageBoxImage.Warning); } } }