hoTools.ActiveX.AddinControlGui.rtfListOfSearches_MouseUp C# (CSharp) Method

        private void rtfListOfSearches_MouseUp(object sender, MouseEventArgs e)
        {
            RichTextBox rtf = (sender as RichTextBox);
            if (rtf == _rtfListOfSearches)
            {
                // ReSharper disable once AssignNullToNotNullAttribute
                _toolTipRtfListOfSearches.Hide(rtf);
            }
        }