public IList <IViewer> this[DecoderFormat index]
{
get
{
if (!map.ContainsKey(index))
{
return(null);
}
return(map[index].AsReadOnly());
}
}
public void Add(DecoderFormat format, IViewer viewer)
{
List <IViewer> viewers;
if (map.ContainsKey(format))
{
viewers = map[format];
}
else
{
viewers = new List <IViewer>();
map.Add(format, viewers);
}
viewers.Add(viewer);
}
private void RegisterViewer(DecoderFormat format, IViewer viewer)
{
this.viewers.Add(format, viewer);
}
public IList <IViewer> GetViewers(DecoderFormat format)
{
return(viewers[format]);
}