/// <summary>
/// 在线查询聊天室成员
/// </summary>
/// <param name="roomId">聊天室ID</param>
/// <param name="memberType">成员类型</param>
/// <param name="timeOffset">距离当前时间的时间戳</param>
/// <param name="limit">查询数量</param>
/// <param name="cb">查询结果委托</param>
public static void QueryMembersOnline(long roomId, NIMChatRoomGetMemberType memberType, long timeOffset, int limit, QueryMembersResultDelegate cb)
{
QueryChatRoomMembersParam param = new QueryChatRoomMembersParam();
param.MemberType = memberType;
param.Count = limit;
param.TimeOffset = timeOffset;
string queryJsonParam = param.Serialize();
var ptr = NimUtility.DelegateConverter.ConvertToIntPtr(cb);
ChatRoomNativeMethods.nim_chatroom_get_members_online_async(roomId, queryJsonParam, null, CallbackBridge.QueryMembersCallback, ptr);
}
