internal PeerCastAppViewModel(PeerCastApplication application)
{
this.application = application;
var peerCast = application.PeerCast;
channelList = new ChannelListViewModel(peerCast);
setting = new SettingViewModel(application);
peerCast.ChannelAdded += OnChannelChanged;
peerCast.ChannelRemoved += OnChannelChanged;
}