有人共享相机时的全屏对话

Question

当有人共享聊天时，我正在尝试将对话置于全屏模式，但我不知道应该订阅哪个事件处理程序。现在我订阅了这个事件处理程序：

AVModality.StreamStateChanged += AV_StreamStateChanged;
AVModality.ModalityStateChanged += AVModality_ModalityStateChanged;
VideoChannel.StateChanged += VideoChannel_StateChanged;

Answer 1

尝试VideoChannel.StateChanged事件。此事件位于Conversation.ParticipantAdded事件之下。

this.Conversation.PaticipantAdded += this.Conversation_ParticipantAdded;
private void Conversation_ParticipantAdded(object sender, ParticipantCollectionChangedEventArgs e) {
    if (e.Participant.IsSelf) {
    }
    else {
      var avModality = e.Participant.Modalities[ModalityTypes.AudioVideo] as AVModality;
      avModality.VideoChannel.StateChanged += this.ClientParticipant_VideoChannel_StateChanged;
    }
}
private void ClientParticipant_VideoChannel_StateChanged(object sender, ChannelStateChangedEventArgs e) {
 //Look for e.NewState
}

e.NewState可用于侦听通道状态枚举。枚举的详细信息可以在这里找到。

另请查看此链接。它使用 Lync SDK 2010，但看起来仍然非常相关。