type ExtChild = class(OpenXmlElement)
public
	function Create();overload;
	function Create(_node);overload;
	function Create(_parent, _prefix, _local_name);overload;
	function Init();override;
	function InitAttributes();override;
	function InitChildren();override;
	function InitNode(_node);override;
	function Copy(_obj);override;

	property Xmlns read ReadXmlAttrXmlns write WriteXmlAttrXmlns;
	property Val read ReadXmlAttrVal write WriteXmlAttrVal;
	function ReadXmlAttrXmlns();
	function WriteXmlAttrXmlns(_value);
	function ReadXmlAttrVal();
	function WriteXmlAttrVal(_value);

public
	//  Attributes
	XmlAttrXmlns;
	XmlAttrVal;

	// Children

end;

function ExtChild.Create();overload;
begin
	self.Create(nil, nil, "");
end;

function ExtChild.Create(_node);overload;
begin
	class(OpenXmlElement).Create(_node);
end;

function ExtChild.Create(_parent, _prefix, _local_name);overload;
begin
	class(OpenXmlElement).Create(_parent, _prefix, _local_name);
end;

function ExtChild.Init();override;
begin
	self.XmlAttrXmlns := new OpenXmlAttribute(nil, "xmlns", "http://schemas.microsoft.com/office/powerpoint/2010/main");
	self.XmlAttrVal := new OpenXmlAttribute(nil, "val", nil);
end;

function ExtChild.InitAttributes();override;
begin
	attributes_ := array(
		self.XmlAttrXmlns,
		self.XmlAttrVal,
	);
end;

function ExtChild.InitChildren();override;
begin
	child_elements_ := array(
	);
	sorted_child_ := array(
		"": -1,
	);
end;

function ExtChild.InitNode(_node);override;
begin
	if ifObj(self.XmlNode) then
		for k,v in child_elements_ do v.InitNode(nil);
	self.XmlNode := ifObj(_node) ? _node : nil;
end;

function ExtChild.Copy(_obj);override;
begin
	if not ifnil(_obj.XmlAttrXmlns.Value) then
		self.XmlAttrXmlns.Value := _obj.XmlAttrXmlns.Value;
	if not ifnil(_obj.XmlAttrVal.Value) then
		self.XmlAttrVal.Value := _obj.XmlAttrVal.Value;
end;

function ExtChild.ReadXmlAttrXmlns();
begin
	return self.XmlAttrXmlns.Value;
end;

function ExtChild.WriteXmlAttrXmlns(_value);
begin
	self.XmlAttrXmlns.Value := _value;
end;

function ExtChild.ReadXmlAttrVal();
begin
	return self.XmlAttrVal.Value;
end;

function ExtChild.WriteXmlAttrVal(_value);
begin
	self.XmlAttrVal.Value := _value;
end;