private void ShowAllMessages()
{
StackPanel_Messages.Children.Clear();
_myUserId = _dal.MyUserId(MyUserName.Content.ToString());
_toUserId = _dal.ToUserId(_toUserName);
_toUserIdList = _dal.GetToUsersId(_toUserId, _myUserId).ToList();
_myUserIdList = _dal.GetMyUsersId(_toUserId, _myUserId).ToList();
_msgList = _dal.GetMessages(_toUserId, _myUserId).ToList();
_time_msgList = _dal.GetTimeMessages(_toUserId, _myUserId).ToList();
FillAllMessages();
}