private void FileEdit_Button_Click(object sender, RoutedEventArgs e) { FileEdit fileEditWindow = new FileEdit(); fileEditWindow.ShowDialog(); string newFileContent = fileEditWindow._newFileContent; if (newFileContent == null) { return; } currentFile.size = newFileContent.Count() / BLOCK_CONTENT_LENGTH + 1; disk.EditFileContent(currentFile, newFileContent); FileSize_Text.Text = Convert.ToString(currentFile.size); FileContent_Text.Text = disk.ExtractFileContent(currentFile); }