/// <summary>
/// 获取语音URL
/// 仅在消息为语音时有效
/// </summary>
/// <returns>语音文件url</returns>
public string GetRecordUrl()
{
if (MessageBody.Count != 1 || MessageBody.First().MessageType != SegmentType.Record)
{
return(null);
}
return((MessageBody.First().Data as RecordSegment)?.Url);
}
/// <summary>
/// 获取合并转发的ID
/// </summary>
public string GetForwardMsgId()
{
return(IsForwardMessage() ? (MessageBody.First().Data as ForwardSegment)?.MessageId : null);
}