Nu fungerar RoundRunningView med minimal codeBehind

GreadyPoang.Common/Specifics/HeaderColorConverter.cs

@@ -0,0 +1,12 @@
+using System.Globalization;
+
+namespace GreadyPoang.Common;
+
+public class HeaderColorConverter : IValueConverter
+{
+    public object Convert(object value, Type targetType, object parameter, CultureInfo culture) =>
+    (bool)value ? Colors.DarkGray : Colors.Yellow;
+
+    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) =>
+        throw new NotImplementedException();
+}