/// <summary>
/// 发送消息
/// </summary>
/// <param name="roomId">房间ID</param>
/// <param name="msg">消息内容</param>
public static void SendMessage(long roomId, Message msg)
{
msg.ClientMsgId = NimUtility.Utilities.GenerateGuid();
ChatRoomNativeMethods.nim_chatroom_send_msg(roomId, msg.Serialize(), null);
}
