void Client_DeleteFileCompleted(object sender, DeleteFileCompletedEventArgs e) { if (e.Error != null) { MessageBox.Show("网络出现错误请联系管理员"); } }
void Client_DeleteFileCompleted(object sender, DeleteFileCompletedEventArgs e) { if (e.Error != null) { MessageBox.Show("网络出现错误请联系管理员"); } }