OpenTween.TweenMain.SaveLogMenuItem_Click C# (CSharp) Method

        private void SaveLogMenuItem_Click(object sender, EventArgs e)
        {
            DialogResult rslt = MessageBox.Show(string.Format(Properties.Resources.SaveLogMenuItem_ClickText1, Environment.NewLine),
                    Properties.Resources.SaveLogMenuItem_ClickText2,
                    MessageBoxButtons.YesNoCancel, MessageBoxIcon.Question);
            if (rslt == DialogResult.Cancel) return;

            SaveFileDialog1.FileName = MyCommon.GetAssemblyName() + "Posts" + DateTime.Now.ToString("yyMMdd-HHmmss") + ".tsv";
            SaveFileDialog1.InitialDirectory = Application.ExecutablePath;
            SaveFileDialog1.Filter = Properties.Resources.SaveLogMenuItem_ClickText3;
            SaveFileDialog1.FilterIndex = 0;
            SaveFileDialog1.Title = Properties.Resources.SaveLogMenuItem_ClickText4;
            SaveFileDialog1.RestoreDirectory = true;

            if (SaveFileDialog1.ShowDialog() == DialogResult.OK)
            {
                if (!SaveFileDialog1.ValidateNames) return;
                using (StreamWriter sw = new StreamWriter(SaveFileDialog1.FileName, false, Encoding.UTF8))
                {
                    if (rslt == DialogResult.Yes)
                    {
                        //All
                        for (int idx = 0; idx < _curList.VirtualListSize; idx++)
                        {
                            PostClass post = _statuses.Tabs[_curTab.Text][idx];
                            string protect = "";
                            if (post.IsProtect) protect = "Protect";
                            sw.WriteLine(post.Nickname + "\t" +
                                     "\"" + post.TextFromApi.Replace("\n", "").Replace("\"", "\"\"") + "\"" + "\t" +
                                     post.CreatedAt + "\t" +
                                     post.ScreenName + "\t" +
                                     post.StatusId + "\t" +
                                     post.ImageUrl + "\t" +
                                     "\"" + post.Text.Replace("\n", "").Replace("\"", "\"\"") + "\"" + "\t" +
                                     protect);
                        }
                    }
                    else
                    {
                        foreach (int idx in _curList.SelectedIndices)
                        {
                            PostClass post = _statuses.Tabs[_curTab.Text][idx];
                            string protect = "";
                            if (post.IsProtect) protect = "Protect";
                            sw.WriteLine(post.Nickname + "\t" +
                                     "\"" + post.TextFromApi.Replace("\n", "").Replace("\"", "\"\"") + "\"" + "\t" +
                                     post.CreatedAt + "\t" +
                                     post.ScreenName + "\t" +
                                     post.StatusId + "\t" +
                                     post.ImageUrl + "\t" +
                                     "\"" + post.Text.Replace("\n", "").Replace("\"", "\"\"") + "\"" + "\t" +
                                     protect);
                        }
                    }
                }
            }
            this.TopMost = this._cfgCommon.AlwaysTop;
        }