private void txtFind_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Enter:
case Keys.Down:
findNext();
e.Handled = true;
break;
case Keys.Up:
findPrevious();
e.Handled = true;
break;
case Keys.Escape:
if(!_toolItem)
Hide();
break;
}
}