MahApps.Metro by Jan Karger, Dennis Daume, Brendan Forster, Paul Jenkins, Jake Ginnivan, Alex Mitchell

<PackageReference Include="MahApps.Metro" Version="2.1.1" />

.NET API 3,425,904 bytes

 RangeSelectionChangedEventArgs<T>

This RangeSelectionChangedEventArgs class contains old and new value when RangeSelectionChanged is raised.
public T NewLowerValue { get; }

Return the new lower value.

public T NewUpperValue { get; }

Return the new upper value.

public T OldLowerValue { get; }

Return the old lower value.

public T OldUpperValue { get; }

Return the old upper value.

public RangeSelectionChangedEventArgs(T oldLowerValue, T newLowerValue, T oldUpperValue, T newUpperValue)

This is an instance constructor for the RangeSelectionChangedEventArgs class.

public RangeSelectionChangedEventArgs(T oldLowerValue, T newLowerValue, T oldUpperValue, T newUpperValue, RoutedEvent routedEvent)

This is an instance constructor for the RoutedPropertyChangedEventArgs class. It is constructed with a reference to the event being raised.