type EffectExtent = 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: EffectExtent);override;

    property L read ReadXmlAttrL write WriteXmlAttrL;
    property T read ReadXmlAttrT write WriteXmlAttrT;
    property R read ReadXmlAttrR write WriteXmlAttrR;
    property B read ReadXmlAttrB write WriteXmlAttrB;
    function ReadXmlAttrL();
    function WriteXmlAttrL(_value);
    function ReadXmlAttrT();
    function WriteXmlAttrT(_value);
    function ReadXmlAttrR();
    function WriteXmlAttrR(_value);
    function ReadXmlAttrB();
    function WriteXmlAttrB(_value);

public
    //  Attributes
    XmlAttrL: OpenXmlAttribute;
    XmlAttrT: OpenXmlAttribute;
    XmlAttrR: OpenXmlAttribute;
    XmlAttrB: OpenXmlAttribute;

    // Children

end;

function EffectExtent.Create();overload;
begin
    self.Create(nil, "wp", "effectExtent");
end;

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

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

function EffectExtent.Init();override;
begin
    self.XmlAttrL := new OpenXmlAttribute(nil, "l", nil);
    self.XmlAttrT := new OpenXmlAttribute(nil, "t", nil);
    self.XmlAttrR := new OpenXmlAttribute(nil, "r", nil);
    self.XmlAttrB := new OpenXmlAttribute(nil, "b", nil);
end;

function EffectExtent.InitAttributes();override;
begin
    attributes_ := array(
        self.XmlAttrL,
        self.XmlAttrT,
        self.XmlAttrR,
        self.XmlAttrB,
    );
end;

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

function EffectExtent.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 EffectExtent.Copy(_obj: EffectExtent);override;
begin
    if not ifnil(_obj.XmlAttrL.Value) then
        self.XmlAttrL.Value := _obj.XmlAttrL.Value;
    if not ifnil(_obj.XmlAttrT.Value) then
        self.XmlAttrT.Value := _obj.XmlAttrT.Value;
    if not ifnil(_obj.XmlAttrR.Value) then
        self.XmlAttrR.Value := _obj.XmlAttrR.Value;
    if not ifnil(_obj.XmlAttrB.Value) then
        self.XmlAttrB.Value := _obj.XmlAttrB.Value;
end;

function EffectExtent.ReadXmlAttrL();
begin
    return self.XmlAttrL.Value;
end;

function EffectExtent.WriteXmlAttrL(_value);
begin
    self.XmlAttrL.Value := _value;
end;

function EffectExtent.ReadXmlAttrT();
begin
    return self.XmlAttrT.Value;
end;

function EffectExtent.WriteXmlAttrT(_value);
begin
    self.XmlAttrT.Value := _value;
end;

function EffectExtent.ReadXmlAttrR();
begin
    return self.XmlAttrR.Value;
end;

function EffectExtent.WriteXmlAttrR(_value);
begin
    self.XmlAttrR.Value := _value;
end;

function EffectExtent.ReadXmlAttrB();
begin
    return self.XmlAttrB.Value;
end;

function EffectExtent.WriteXmlAttrB(_value);
begin
    self.XmlAttrB.Value := _value;
end;