// 根据 token 将沙盒内的可共享文件设置为不可共享 private void btnDelete_Click(object sender, RoutedEventArgs e) { try { SharedStorageAccessManager.RemoveFile(_sharedToken); lblMsg.Text += $"token 值为 {_sharedToken} 的文件取消共享了"; lblMsg.Text += Environment.NewLine; } catch (Exception ex) { lblMsg.Text += ex.ToString(); lblMsg.Text += Environment.NewLine; } }