/// <summary>
/// Determines whether [is child item selected] [the specified items].
/// </summary>
/// <param name="items">
/// The items.
/// </param>
/// <returns>
/// <c>true</c> if [is child item selected] [the specified items]; otherwise, <c>false</c>.
/// </returns>
/// <remarks>
/// </remarks>
private bool IsChildItemSelected(MenuItemCollection items)
{
var bRet = false;
if (items != null)
{
bRet = items.Cast<MenuItem>().Any(item => item.Selected || this.IsChildItemSelected(item.ChildItems));
}
return bRet;
}