private void FriendRequestToReceived(FriendRequest friendRequest)
        {
            if (HaveFriendRequestUserControl(stackPanelFriendRequestsTo.Children, friendRequest._id))
                return;

            var control = new FriendRequestToUserControl();
            control.FriendRequestId = friendRequest._id;
            control.Username = friendRequest.from_user.username;
            control.UserId = friendRequest.from_user._id;
            control.FriendRequestToAnswered += FriendRequestToAnswered;
            stackPanelFriendRequestsTo.Children.Add(control);
        }
        private void FriendRequestFromReceived(FriendRequest friendRequest)
        {
            if (HaveFriendRequestUserControl(stackPanelFriendRequestsFrom.Children, friendRequest._id))
                return;

            var control = new FriendRequestFromUserControl();
            control.FriendRequestId = friendRequest._id;
            control.Username = friendRequest.to_user.username;
            control.UserId = friendRequest.to_user._id;
            control.FriendRequestCanceled += FriendRequestFromCanceled;
            stackPanelFriendRequestsFrom.Children.Add(control);
        }