'HeaderItem.Name' hides inherited member 'FrameworkElement.Name'. Use the new keyword if hiding was intended.

Dereference of a possibly null reference.

Non-nullable property 'IpVersion' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable field 'ThemeSelectedBorder' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Possible null reference return.

Non-nullable property 'Caption' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Description' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'ElementName' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'InstanceId' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.