Load XML

void LoadXML(String ^link)
{
    Lista<XMLObject> *LLS = new Lista<XMLObject>();
    XmlTextReader ^reader = gcnew XmlTextReader(link);

    String ^SEl = gcnew String("");
    int cont = 0;
    XMLObject *Obj = NULL;
    string valor = "";
    string campo = "";
    while(reader->Read())
    {
        switch(reader->NodeType)
        {
            case XmlNodeType::Element: // The node is an element
                if((reader->Value!="" && cont<3) || cont < 3)
                    cont++;

                campo = CoisasUteis::ConverterStringTostring(reader->Name);
                if(cont == 2)
                    Obj = new XMLObject(campo);
                SEl += "<"+cont+" " + reader->Name+">";
                while(reader->MoveToNextAttribute()) // Read the attributes.
                    SEl += reader->Value;

                valor = "";
                break;
            case XmlNodeType::Text: //Display the text in each element.
                SEl += reader->Value;
                valor = CoisasUteis::ConverterStringTostring(reader->Value);
                if(Obj) Obj->Add(new XMLTxtVal(campo, valor));
                    break;
            case XmlNodeType::EndElement: //Display the end of the element.
                SEl += "</"+cont + " " + reader->Name+">";
                SEl = "";
                cont--;
                if(cont == 1)
                    LLS->AddEnd(Obj);
                valor = "";
                break;
        }
    }
    reader->Close();

    Lista<XMLTxtVal> *lp;
    int n;
    for(int i = 0; i < LLS->NElem(); i++)
    {
        lp = (*LLS)[i]->GetCampos();
        for(int j = 0; j < lp->NElem(); j++)
        {
            if((*lp)[j]->GetCampo() != "categoria")
                continue;
            for(n=0; n<LC.NElem(); n++)
            {
                if((*lp)[j]->GetValor() != LC.GetInfo(n)->GetNomeCat())
                    continue;
                produto *x = new produto((*LLS)[i]);
                LC[n]->GetLP()->AddEnd(x);
                break;
            }
            if(n == LC.NElem())
            {
                categoria *c = new categoria((*LLS)[i]);
                produto *p= new produto((*LLS)[i]);
                LC.AddEnd(c);
                LC[n]->GetLP()->AddEnd(p);
            }
            break;
        }
    }
}