Add PaymentVariantsWindow

Elwig/App.xaml.cs

@@ -236,5 +236,13 @@ namespace Elwig {
             w.FocusKgNr(kgnr);
             return w;
         }
+
+        public static PaymentVariantsWindow FocusPaymentVariantsWindow(int year) {
+            return FocusWindow<PaymentVariantsWindow>(() => new(year), w => w.Year == year);
+        }
+
+        public static ChartWindow FocusChartWindow(int year, int avnr) {
+            return FocusWindow<ChartWindow>(() => new(year, avnr), w => w.Year == year && w.AvNr == avnr);
+        }
     }
 }