private bool RestoreSelectedIndex(ToolStripItem[] newMenuItems)
{
if (!_selectedIndex.HasValue) return false;
if (!newMenuItems.Any()) return false;
if (_selectedIndex < 0) return false;
if (_selectedIndex < newMenuItems.Length)
{
newMenuItems[_selectedIndex.Value].Select();
}
else
{
newMenuItems.Last().Select();
}
return true;
}