type XY = 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 X read ReadXmlAttrX write WriteXmlAttrX;
	property Y read ReadXmlAttrY write WriteXmlAttrY;
	function ReadXmlAttrX();
	function WriteXmlAttrX(_value);
	function ReadXmlAttrY();
	function WriteXmlAttrY(_value);

public
	//  Attributes
	XmlAttrX;
	XmlAttrY;

	// Children

end;

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

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

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

function XY.Init();override;
begin
	self.XmlAttrX := new OpenXmlAttribute(nil, "x", nil);
	self.XmlAttrY := new OpenXmlAttribute(nil, "y", nil);
end;

function XY.InitAttributes();override;
begin
	attributes_ := array(
		self.XmlAttrX,
		self.XmlAttrY,
	);
end;

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

function XY.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 XY.Copy(_obj);override;
begin
	if not ifnil(_obj.XmlAttrX.Value) then
		self.XmlAttrX.Value := _obj.XmlAttrX.Value;
	if not ifnil(_obj.XmlAttrY.Value) then
		self.XmlAttrY.Value := _obj.XmlAttrY.Value;
end;

function XY.ReadXmlAttrX();
begin
	return self.XmlAttrX.Value;
end;

function XY.WriteXmlAttrX(_value);
begin
	self.XmlAttrX.Value := _value;
end;

function XY.ReadXmlAttrY();
begin
	return self.XmlAttrY.Value;
end;

function XY.WriteXmlAttrY(_value);
begin
	self.XmlAttrY.Value := _value;
end;