type GridCol = 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: GridCol);override;

    property w read ReadXmlAttrw write WriteXmlAttrw;
    function ReadXmlAttrw();
    function WriteXmlAttrw(_value);

public
    //  Attributes
    XmlAttrw: OpenXmlAttribute;

    // Children

end;

function GridCol.Create();overload;
begin
    self.Create(nil, "w", "gridCol");
end;

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

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

function GridCol.Init();override;
begin
    self.XmlAttrw := new OpenXmlAttribute(self.Prefix, "w", nil);
end;

function GridCol.InitAttributes();override;
begin
    attributes_ := array(
        self.XmlAttrw,
    );
end;

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

function GridCol.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 GridCol.Copy(_obj: GridCol);override;
begin
    if not ifnil(_obj.XmlAttrw.Value) then
        self.XmlAttrw.Value := _obj.XmlAttrw.Value;
end;

function GridCol.ReadXmlAttrw();
begin
    return self.XmlAttrw.Value;
end;

function GridCol.WriteXmlAttrw(_value);
begin
    self.XmlAttrw.Value := _value;
end;