type CNvSpPr = 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: CNvSpPr);override;

public

    // attributes property
    property TxBox read ReadXmlAttrTxBox write WriteXmlAttrTxBox;
    function ReadXmlAttrTxBox();
    function WriteXmlAttrTxBox(_value);

    // normal property
    property SpLocks read ReadXmlChildSpLocks;
    function ReadXmlChildSpLocks();

public
    // Attributes
    XmlAttrTxBox: OpenXmlAttribute;

    // Children
    XmlChildSpLocks: SpLocks;

end;

function CNvSpPr.Create();overload;
begin
    {self.}Create(nil, "wps", "cNvSpPr");
end;

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

function CNvSpPr.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 CNvSpPr.Init();override;
begin
    pre := {self.}Prefix ? {self.}Prefix + ":" : "";
    attributes_ := array();
    attributes_pf_ := array(
        "txBox": makeweakref(thisFunction(WriteXmlAttrTxBox)),
    );
    sorted_child_ := array(
        "a:spLocks": array(0, makeweakref(thisFunction(ReadXmlChildSpLocks))),
    );
    container_ := new TSOfficeContainer(sorted_child_);
end;

function CNvSpPr.Copy(_obj: CNvSpPr);override;
begin
    tslassigning_backup := tslassigning;
    tslassigning := 1;
    class(OpenXmlElement).Copy(_obj);
    if not ifnil(_obj.TxBox) then
        {self.}TxBox := _obj.TxBox;
    if not ifnil(_obj.XmlChildSpLocks) then
        {self.}SpLocks.Copy(_obj.XmlChildSpLocks);
    tslassigning := tslassigning_backup;
end;

function CNvSpPr.ReadXmlAttrTxBox();
begin
    return {self.}XmlAttrTxBox.Value;
end;

function CNvSpPr.WriteXmlAttrTxBox(_value);
begin
    if ifnil({self.}XmlAttrTxBox) then
    begin
        {self.}XmlAttrTxBox := new OpenXmlAttribute("", "txBox", nil);
        attributes_[length(attributes_)] := {self.}XmlAttrTxBox;
    end
    {self.}XmlAttrTxBox.Value := _value;
end;

function CNvSpPr.ReadXmlChildSpLocks();
begin
    if tslassigning and ifnil({self.}XmlChildSpLocks) then
    begin
        {self.}XmlChildSpLocks := new SpLocks(self, "a", "spLocks");
        container_.Set({self.}XmlChildSpLocks);
    end
    return {self.}XmlChildSpLocks;
end;