protected override void Apply()
{
if (TargetChildNodes == null)
{
return;
}
foreach (var element in TargetChildNodes.OfType <XmlElement>())
{
if (element.ChildNodes.Cast <XmlNode>()
.Any(n => n.NodeType != XmlNodeType.Whitespace &&
n.NodeType != XmlNodeType.Comment &&
n.NodeType != XmlNodeType.Attribute))
{
continue;
}
TargetNode.RemoveChild(element);
}
}