type Vector = 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;
	function AddVariant();
	function AddLpstr();
	function AppendVariant();
	function AppendLpstr();

	property Variants read ReadVariants;
	property Lpstrs read ReadLpstrs;
	function ReadVariants(_index);
	function ReadLpstrs(_index);

	property Size read ReadXmlAttrSize write WriteXmlAttrSize;
	property BaseType read ReadXmlAttrBaseType write WriteXmlAttrBaseType;
	function ReadXmlAttrSize();
	function WriteXmlAttrSize(_value);
	function ReadXmlAttrBaseType();
	function WriteXmlAttrBaseType(_value);

public
	//  Attributes
	XmlAttrSize;
	XmlAttrBaseType;

	// Children

end;

function Vector.Create();overload;
begin
	self.Create(nil, "vt", "vt:vector");
end;

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

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

function Vector.Init();override;
begin
	self.XmlAttrSize := new OpenXmlAttribute(nil, "size", nil);
	self.XmlAttrBaseType := new OpenXmlAttribute(nil, "baseType", nil);
end;

function Vector.InitAttributes();override;
begin
	attributes_ := array(
		self.XmlAttrSize,
		self.XmlAttrBaseType,
	);
end;

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

function Vector.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;
	node := ifObj(_node) ? _node.FirstChild() : nil;
	flag := false;
	if ifnil(child_elements_[0]) and length(child_elements_) > 0 then
	begin
		flag := true;
		arr := child_elements_;
		child_elements_ := array();
	end
	pre := ifString(self.Prefix) ? self.Prefix + ":" : "";
	while ifObj(node) do
	begin
		node_name := node.GetName();
		pos := sorted_child_[node_name];
		if ifnil(pos) or pos = -1 then
		begin
			obj := nil;
			case node_name of
				pre + "variant": obj := self.AppendVariant();
				pre + "lpstr": obj := self.AppendLpstr();
			end;
			if ifObj(obj) then obj.InitNode(node);
		end
		else if flag then
		begin
			obj := arr[pos];
			obj.InitNode(node);
			child_elements_[length(child_elements_)] := obj;
		end
		else begin
			child_elements_[pos].InitNode(node);
		end
		node := node.NextElement();
	end
end;

function Vector.Copy(_obj);override;
begin
	if not ifnil(_obj.XmlAttrSize.Value) then
		self.XmlAttrSize.Value := _obj.XmlAttrSize.Value;
	if not ifnil(_obj.XmlAttrBaseType.Value) then
		self.XmlAttrBaseType.Value := _obj.XmlAttrBaseType.Value;
end;

function Vector.AddVariant();
begin
	len := length(child_elements_);
	if len = 0 then i := -1;
	else begin
		for i:=len-1 downto 0 do
			if child_elements_[i].LocalName = "variant" then break;
	end
	obj := new Variant(self, self.Prefix, "variant");
	self.InsertChild(obj, i+1);
	return obj;
end;

function Vector.AddLpstr();
begin
	len := length(child_elements_);
	if len = 0 then i := -1;
	else begin
		for i:=len-1 downto 0 do
			if child_elements_[i].LocalName = "lpstr" then break;
	end
	obj := new OpenXmlPcdata(self, self.Prefix, "lpstr");
	self.InsertChild(obj, i+1);
	return obj;
end;

function Vector.AppendVariant();
begin
	obj := new Variant(self, self.Prefix, "variant");
	child_elements_[length(child_elements_)] := obj;
	return obj;
end;

function Vector.AppendLpstr();
begin
	obj := new OpenXmlPcdata(self, self.Prefix, "lpstr");
	child_elements_[length(child_elements_)] := obj;
	return obj;
end;

function Vector.ReadVariants(_index);
begin
	ind := ifnil(_index) ? -2 : n;
	arr := array();
	for k,v in child_elements_ do
	begin
		if v.LocalName = "variant" then
		begin
			arr[length(arr)] := v;
			ind--;
		end;
		if ind = -1 then return v;
	end;
	return arr;
end;

function Vector.ReadLpstrs(_index);
begin
	ind := ifnil(_index) ? -2 : n;
	arr := array();
	for k,v in child_elements_ do
	begin
		if v.LocalName = "lpstr" then
		begin
			arr[length(arr)] := v;
			ind--;
		end;
		if ind = -1 then return v;
	end;
	return arr;
end;

function Vector.ReadXmlAttrSize();
begin
	return self.XmlAttrSize.Value;
end;

function Vector.WriteXmlAttrSize(_value);
begin
	self.XmlAttrSize.Value := _value;
end;

function Vector.ReadXmlAttrBaseType();
begin
	return self.XmlAttrBaseType.Value;
end;

function Vector.WriteXmlAttrBaseType(_value);
begin
	self.XmlAttrBaseType.Value := _value;
end;