type PlotArea = 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 Copy(_obj: PlotArea);override;

public

    // empty property
    property Layout read ReadXmlChildLayout write WriteXmlChildLayout;
    function ReadXmlChildLayout();
    function WriteXmlChildLayout(_value);

    // normal property
    property BarChart read ReadXmlChildBarChart;
    property CatAx read ReadXmlChildCatAx;
    property ValAx read ReadXmlChildValAx;
    property DTable read ReadXmlChildDTable;
    property SpPr read ReadXmlChildSpPr;
    function ReadXmlChildBarChart();
    function ReadXmlChildCatAx();
    function ReadXmlChildValAx();
    function ReadXmlChildDTable();
    function ReadXmlChildSpPr();

public
    // Children
    XmlChildLayout: OpenXmlEmpty;
    XmlChildBarChart: BarChart;
    XmlChildCatAx: Ax;
    XmlChildValAx: Ax;
    XmlChildDTable: DTable;
    XmlChildSpPr: SpPr;

end;

function PlotArea.Create();overload;
begin
    {self.}Create(nil, "c", "plotArea");
end;

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

function PlotArea.Create(_parent: tslobj; _prefix: string; _local_name: string);overload;
begin
    setsysparam(pn_calcctrlword(), getsysparam(pn_calcctrlword()) .| 0x200);
    class(OpenXmlElement).Create(_parent, _prefix, _local_name);
end;

function PlotArea.Init();override;
begin
    pre := {self.}Prefix ? {self.}Prefix + ":" : "";
    attributes_ := array();
    attributes_pf_ := array(
    );
    sorted_child_ := array(
        pre + "layout": array(0, makeweakref(thisFunction(ReadXmlChildLayout))),
        pre + "barChart": array(1, makeweakref(thisFunction(ReadXmlChildBarChart))),
        pre + "catAx": array(2, makeweakref(thisFunction(ReadXmlChildCatAx))),
        pre + "ValAx": array(3, makeweakref(thisFunction(ReadXmlChildValAx))),
        pre + "dTable": array(4, makeweakref(thisFunction(ReadXmlChildDTable))),
        pre + "SpPr": array(5, makeweakref(thisFunction(ReadXmlChildSpPr))),
    );
    container_ := new TSOfficeContainer(sorted_child_);
end;

function PlotArea.Copy(_obj: PlotArea);override;
begin
    tslassigning_backup := tslassigning;
    tslassigning := 1;
    class(OpenXmlElement).Copy(_obj);
    if not ifnil(_obj.XmlChildLayout) then
        ifnil({self.}XmlChildLayout) ? {self.}Layout.Copy(_obj.XmlChildLayout) : {self.}XmlChildLayout.Copy(_obj.XmlChildLayout);
    if not ifnil(_obj.XmlChildBarChart) then
        {self.}BarChart.Copy(_obj.XmlChildBarChart);
    if not ifnil(_obj.XmlChildCatAx) then
        {self.}CatAx.Copy(_obj.XmlChildCatAx);
    if not ifnil(_obj.XmlChildValAx) then
        {self.}ValAx.Copy(_obj.XmlChildValAx);
    if not ifnil(_obj.XmlChildDTable) then
        {self.}DTable.Copy(_obj.XmlChildDTable);
    if not ifnil(_obj.XmlChildSpPr) then
        {self.}SpPr.Copy(_obj.XmlChildSpPr);
    tslassigning := tslassigning_backup;
end;

function PlotArea.ReadXmlChildLayout();
begin
    if tslassigning and ifnil({self.}XmlChildLayout) then
    begin
        {self.}XmlChildLayout := new OpenXmlEmpty(self, {self.}Prefix, "layout");
        container_.Set({self.}XmlChildLayout);
        return {self.}XmlChildLayout;
    end
    return ifnil({self.}XmlChildLayout) ? false : {self.}XmlChildLayout.BoolValue();
end;

function PlotArea.WriteXmlChildLayout(_value);
begin
    if ifnil({self.}XmlChildLayout) then
    begin
        {self.}XmlChildLayout := new OpenXmlEmpty(self, {self.}Prefix, "layout");
        container_.Set({self.}XmlChildLayout);
    end
    {self.}XmlChildLayout.Value := _value;
end;

function PlotArea.ReadXmlChildBarChart();
begin
    if tslassigning and ifnil({self.}XmlChildBarChart) then
    begin
        {self.}XmlChildBarChart := new BarChart(self, {self.}Prefix, "barChart");
        container_.Set({self.}XmlChildBarChart);
    end
    return {self.}XmlChildBarChart;
end;

function PlotArea.ReadXmlChildCatAx();
begin
    if tslassigning and ifnil({self.}XmlChildCatAx) then
    begin
        {self.}XmlChildCatAx := new Ax(self, {self.}Prefix, "catAx");
        container_.Set({self.}XmlChildCatAx);
    end
    return {self.}XmlChildCatAx;
end;

function PlotArea.ReadXmlChildValAx();
begin
    if tslassigning and ifnil({self.}XmlChildValAx) then
    begin
        {self.}XmlChildValAx := new Ax(self, {self.}Prefix, "ValAx");
        container_.Set({self.}XmlChildValAx);
    end
    return {self.}XmlChildValAx;
end;

function PlotArea.ReadXmlChildDTable();
begin
    if tslassigning and ifnil({self.}XmlChildDTable) then
    begin
        {self.}XmlChildDTable := new DTable(self, {self.}Prefix, "dTable");
        container_.Set({self.}XmlChildDTable);
    end
    return {self.}XmlChildDTable;
end;

function PlotArea.ReadXmlChildSpPr();
begin
    if tslassigning and ifnil({self.}XmlChildSpPr) then
    begin
        {self.}XmlChildSpPr := new SpPr(self, {self.}Prefix, "SpPr");
        container_.Set({self.}XmlChildSpPr);
    end
    return {self.}XmlChildSpPr;
end;