internal int InnerArrayIndexOfIdentifier(object identifier, int stateMask)
{
if (_miIndexOfIdentifier == null)
_miIndexOfIdentifier = InnerArray.GetType().GetMethod("IndexOfIdentifier", new Type[] { typeof(object), typeof(int) }, null);
return (int)_miIndexOfIdentifier.Invoke(InnerArray, new object[] { identifier, stateMask });
}