type PureWVal = class(OpenXmlElement)
public
    function Create();overload;
    function Create(_node: XmlNode);overload;
    function Create(_parent: tslobj; _prefix: string; _local_name: string);overload;
    function Init();override;
    function InitAttributes();override;
    function InitChildren();override;
    function InitNode(_node: XmlNode);override;
    function Copy(_obj: PureWVal);override;

    property Val read ReadXmlAttrVal write WriteXmlAttrVal;
    function ReadXmlAttrVal();
    function WriteXmlAttrVal(_value);

public
    //  Attributes
    XmlAttrVal: OpenXmlAttribute;

    // Children

end;

function PureWVal.Create();overload;
begin
    {self.}Create(nil, nil, "");
end;

function PureWVal.Create(_node: XmlNode);overload;
begin
    class(OpenXmlElement).Create(_node: XmlNode);
end;

function PureWVal.Create(_parent: tslobj; _prefix: string; _local_name: string);overload;
begin
    class(OpenXmlElement).Create(_parent, _prefix, _local_name);
end;

function PureWVal.Init();override;
begin
    {self.}XmlAttrVal := new OpenXmlAttribute("w", "val", nil);
end;

function PureWVal.InitAttributes();override;
begin
    attributes_ := array(
        {self.}XmlAttrVal,
    );
end;

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

function PureWVal.InitNode(_node: XmlNode);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 PureWVal.Copy(_obj: PureWVal);override;
begin
    if not ifnil(_obj.XmlAttrVal.Value) then
        {self.}XmlAttrVal.Value := _obj.XmlAttrVal.Value;
end;

function PureWVal.ReadXmlAttrVal();
begin
    return {self.}XmlAttrVal.Value;
end;

function PureWVal.WriteXmlAttrVal(_value);
begin
    {self.}XmlAttrVal.Value := _value;
end;