private void Submission_Click(object sender, RoutedEventArgs e)
        {
            string mainlabel = "과제 확인";

            System.Windows.Application.Current.Properties["SubmissionSend"] = true;
            SubmissionConnect connectsubmission = new SubmissionConnect(service, name, mainlabel, submissioninfo, 4, id);
            connectsubmission.ShowDialog();
        }
        private void UserControl_MouseDoubleClick(object sender, MouseButtonEventArgs e)
        {
            string mainlabel = "과제 확인";

            System.Windows.Application.Current.Properties["SubmissionSend"] = true;
            SubmissionConnect connectsubmission = new SubmissionConnect(service, name, mainlabel, submissioninfo, 4, id);
            connectsubmission.ShowDialog();
            service.ReadSubmissionBoardWrite(id, SugesstTitle.Content.ToString(), SugesstDate.Content.ToString()); // 읽은파일 기록 표시
            this.Opacity = 0.6;
        }