private void menuBtn_renameSelfIntroduction_Click(object sender, EventArgs e)
        {
            InputBoxDialog inputBox = new InputBoxDialog();

            inputBox.SetDescription("새로운 이름을 입력하세요.");
            if (inputBox.ShowDialog() == DialogResult.OK)
            {
                if (GetSelfIntroductionManager().GetSelfIntroductionNames().Contains(inputBox.GetResult()))
                {
                    MessageBox.Show("이미 존재하는 이름입니다.");
                    return;
                }
                Data.SelfIntroduction selfIntroduction = GetSelfIntroductionManager().GetSelfIntroduction(GetSelfIntroductionName());
                GetSelfIntroductionManager().DeleteSelfIntroduction(GetSelfIntroductionName());
                SetSelfIntroductionName(inputBox.GetResult());
                GetSelfIntroductionManager().SaveSelfIntroduction(GetSelfIntroductionName(), selfIntroduction);
                OnFileRenamedOrDeleted(this, new EventArgs());
                this.Text = "자기소개서 - " + this.GetSelfIntroductionName();
            }
        }