Gets a collection of extra channels associated with this frame. Using this property you can either obtain all extra channels from the TIFF page or write some channels in addition to primary ones.
Namespace:
Aurigma.GraphicsMill.Codecs
Assembly:
Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
public ReadOnlyCollection<TiffExtraChannel> ExtraChannels { get; }