AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.7.0" />

 IVideoTrackList

Represents a list of video tracks.
IVideoTrack this[int index] { get; }

Gets the track at the given index.

int Length { get; }

Gets the number of tracks.

int SelectedIndex { get; }

Gets the currently selected index.

Event triggered after changing contents.

Event triggered after adding a track.

Event triggered after removing a track.

Gets the track with the specified id.