bool isNew;
MercatorUi.Interfaces.IEngine engine;
MercatorUi.Engine.Gescom.BillingEngine billingEngine = null;
if ((HttpContext.Current.Session["CurrentEngineKey"] != null) && MercatorUi.Globals.EnginesUsedByExtApp.TryGetValue(HttpContext.Current.Session["CurrentEngineKey"].ToString(), out engine))
{
billingEngine = (MercatorUi.Engine.Gescom.BillingEngine)engine;
isNew = false;
}
else
{
isNew = true;
billingEngine = MercatorUi.Engine.Gescom.BillingEngine.InitExisting(MercatorUi.Engine.Gescom.Billing.TypeVAEnum.V, 4, Id, Journal, Piece);
if ((billingEngine.DataSet != null) && (!billingEngine.ReadOnly))
{
billingEngine.PiedsVRecord.DATE = DateTime.Today;
HttpContext.Current.Session["CurrentEngineKey"] = billingEngine.UniqueIdForExtApp;
}
else
billingEngine = null;
}