type SectPr = 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: SectPr);override;
    function AddHeaderReference(): Reference;
    function AddFooterReference(): Reference;
    function AppendHeaderReference(): Reference;
    function AppendFooterReference(): Reference;

    property HeaderReferences read ReadHeaderReferences;
    property FooterReferences read ReadFooterReferences;
    function ReadHeaderReferences(_index);
    function ReadFooterReferences(_index);

    property WRsidR read ReadXmlAttrWRsidR write WriteXmlAttrWRsidR;
    property WRsidSect read ReadXmlAttrWRsidSect write WriteXmlAttrWRsidSect;
    function ReadXmlAttrWRsidR();
    function WriteXmlAttrWRsidR(_value);
    function ReadXmlAttrWRsidSect();
    function WriteXmlAttrWRsidSect(_value);

public
    //  Attributes
    XmlAttrWRsidR: OpenXmlAttribute;
    XmlAttrWRsidSect: OpenXmlAttribute;

    // Children
    Type: PureWVal;
    PgSz: PgSz;
    PgMar: PgMar;
    PgNumType: PgNumType;
    Cols: Cols;
    DocGrid: docGrid;

end;

function SectPr.Create();overload;
begin
    self.Create(nil, "w", "sectPr");
end;

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

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

function SectPr.Init();override;
begin
    self.XmlAttrWRsidR := new OpenXmlAttribute(self.Prefix, "rsidR", nil);
    self.XmlAttrWRsidSect := new OpenXmlAttribute(self.Prefix, "rsidSect", nil);
    self.Type := new PureWVal(self, self.Prefix, "type");
    self.PgSz := new PgSz(self, self.Prefix, "pgSz");
    self.PgMar := new PgMar(self, self.Prefix, "pgMar");
    self.PgNumType := new PgNumType(self, self.Prefix, "pgNumType");
    self.Cols := new Cols(self, self.Prefix, "cols");
    self.DocGrid := new docGrid(self, self.Prefix, "docGrid");
end;

function SectPr.InitAttributes();override;
begin
    attributes_ := array(
        self.XmlAttrWRsidR,
        self.XmlAttrWRsidSect,
    );
end;

function SectPr.InitChildren();override;
begin
    child_elements_ := array(
        2: self.Type,
        3: self.PgSz,
        4: self.PgMar,
        5: self.PgNumType,
        6: self.Cols,
        7: self.DocGrid,
    );
    sorted_child_ := array(
        "": -1,
        self.Type.ElementName: 2,
        self.PgSz.ElementName: 3,
        self.PgMar.ElementName: 4,
        self.PgNumType.ElementName: 5,
        self.Cols.ElementName: 6,
        self.DocGrid.ElementName: 7,
    );
end;

function SectPr.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;
    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 + "headerReference": obj := self.AppendHeaderReference();
                pre + "FooterReference": obj := self.AppendFooterReference();
            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 SectPr.Copy(_obj: SectPr);override;
begin
    if not ifnil(_obj.XmlAttrWRsidR.Value) then
        self.XmlAttrWRsidR.Value := _obj.XmlAttrWRsidR.Value;
    if not ifnil(_obj.XmlAttrWRsidSect.Value) then
        self.XmlAttrWRsidSect.Value := _obj.XmlAttrWRsidSect.Value;
    self.Type.Copy(_obj.Type);
    self.PgSz.Copy(_obj.PgSz);
    self.PgMar.Copy(_obj.PgMar);
    self.PgNumType.Copy(_obj.PgNumType);
    self.Cols.Copy(_obj.Cols);
    self.DocGrid.Copy(_obj.DocGrid);
end;

function SectPr.AddHeaderReference(): Reference;
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 = "headerReference" then break;
    end
    obj := new Reference(self, self.Prefix, "headerReference");
    self.InsertChild(obj, i+1);
    return obj;
end;

function SectPr.AddFooterReference(): Reference;
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 = "FooterReference" then break;
    end
    obj := new Reference(self, self.Prefix, "FooterReference");
    self.InsertChild(obj, i+1);
    return obj;
end;

function SectPr.AppendHeaderReference(): Reference;
begin
    obj := new Reference(self, self.Prefix, "headerReference");
    child_elements_[length(child_elements_)] := obj;
    return obj;
end;

function SectPr.AppendFooterReference(): Reference;
begin
    obj := new Reference(self, self.Prefix, "FooterReference");
    child_elements_[length(child_elements_)] := obj;
    return obj;
end;

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

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

function SectPr.ReadXmlAttrWRsidR();
begin
    return self.XmlAttrWRsidR.Value;
end;

function SectPr.WriteXmlAttrWRsidR(_value);
begin
    self.XmlAttrWRsidR.Value := _value;
end;

function SectPr.ReadXmlAttrWRsidSect();
begin
    return self.XmlAttrWRsidSect.Value;
end;

function SectPr.WriteXmlAttrWRsidSect(_value);
begin
    self.XmlAttrWRsidSect.Value := _value;
end;