public XElementWithAttrib(string elementName, XAttributeCustom[] attributes, object[] content)
     : base("MyNode", content)
 {
     ElementName = elementName;
     AttributesCustom = attributes;
 }
 public XElementWithAttrib(string elementName, XAttributeCustom[] attribute, object content)
     : this(elementName, attribute, new[] {content})
 {
 }