type OpenXmlAttribute = class
public
    function Create(_prefix: string; _local_name: string);overload;
    function Create(_prefix: string; _local_name: string; _value: any);overload;

public
    LocalName: string;
    Prefix: tslobj;
    ElementName: string;
    Value: any;
end;

function OpenXmlAttribute.Create(_prefix: string; _local_name: string);overload;
begin
    self.Create(_prefix, _local_name, nil);
end;

function OpenXmlAttribute.Create(_prefix: string; _local_name: string; _value: any);overload;
begin
    self.Prefix := _prefix;
    self.LocalName := _local_name;
    self.Value := _value;
    self.ElementName := ifString(self.Prefix) and self.Prefix <> "" ? format("%s:%s", self.Prefix, self.LocalName) : self.LocalName;
end;