/// <summary>
/// 获取聊天室信息
/// </summary>
/// <param name="roomId">聊天室ID</param>
/// <param name="cb">查询结果委托</param>
public static void GetRoomInfo(long roomId, GetRoomInfoDelegate cb)
{
var ptr = NimUtility.DelegateConverter.ConvertToIntPtr(cb);
ChatRoomNativeMethods.nim_chatroom_get_info_async(roomId, null, CallbackBridge.GetRoomInfoCallback, ptr);
}