OpenTween.TweenMain.MenuItemEdit_DropDownOpening C# (CSharp) Method

        private void MenuItemEdit_DropDownOpening(object sender, EventArgs e)
        {
            if (_statuses.RemovedTab.Count == 0)
            {
                UndoRemoveTabMenuItem.Enabled = false;
            }
            else
            {
                UndoRemoveTabMenuItem.Enabled = true;
            }
            if (ListTab.SelectedTab != null)
            {
                if (_statuses.Tabs[ListTab.SelectedTab.Text].TabType == MyCommon.TabUsageType.PublicSearch)
                    PublicSearchQueryMenuItem.Enabled = true;
                else
                    PublicSearchQueryMenuItem.Enabled = false;
            }
            else
            {
                PublicSearchQueryMenuItem.Enabled = false;
            }
            if (!this.ExistCurrentPost)
            {
                this.CopySTOTMenuItem.Enabled = false;
                this.CopyURLMenuItem.Enabled = false;
                this.CopyUserIdStripMenuItem.Enabled = false;
            }
            else
            {
                this.CopySTOTMenuItem.Enabled = true;
                this.CopyURLMenuItem.Enabled = true;
                this.CopyUserIdStripMenuItem.Enabled = true;
                if (_curPost.IsDm) this.CopyURLMenuItem.Enabled = false;
                if (_curPost.IsProtect) this.CopySTOTMenuItem.Enabled = false;
            }
        }