Beispiel #1
0
 internal void CreateBill()
 {
     if (newBill == null)
     {
         if (billNumber > 100)
         {
             billNumber = 1;
         }
         newBill = new BillClass(billNumber++);
     }
 }
Beispiel #2
0
 internal void CloseActualBill()
 {
     newBill = null;
 }