private void rtfListOfSearches_MouseDown(object sender, MouseEventArgs e)
{
RichTextBox rtf = (sender as RichTextBox);
if (rtf == _rtfListOfSearches)
{
int line = GetLineForRtf(rtf);
SearchItem searchItem = Search.GetSearch(line);
Point locationMouse = e.Location;
_toolTipRtfListOfSearches.Show(
searchItem.Description,
_rtfListOfSearches,
locationMouse.X + e.X - 60,
locationMouse.Y + e.Y + 15);
}
}