public void ChangeCaptions(ref Dictionary<MercatorApi.ApiLangues, string> defaultCaptions)
{
    defaultCaptions[ApiLangues.F] = "Licences" ;
    defaultCaptions[ApiLangues.N] = "Licenties" ;
    defaultCaptions[ApiLangues.E] = "Licences" ;
    defaultCaptions[ApiLangues.D] = "Licences" ;
}