private void ClearClick()
        {
            InvokeOnMainThread(() =>
            {
                lock (TagInfoList)
                {
                    TagInfoList.Clear();
                    _numberOfTagsText = _TagInfoList.Count.ToString() + " tags";
                    RaisePropertyChanged(() => numberOfTagsText);

                    tagsCount         = 0;
                    _tagPerSecondText = tagsCount.ToString() + " tags/s";
                    RaisePropertyChanged(() => tagPerSecondText);
                }
            });
        }
        private void ClearClick()
        {
            InvokeOnMainThread(() =>
            {
                lock (TagInfoList)
                {
                    _InventoryTime = 0;
                    RaisePropertyChanged(() => InventoryTime);

                    _DebugMessage = "";
                    RaisePropertyChanged(() => DebugMessage);

                    TagInfoList.Clear();
                    TagInfoListSpeedup.Clear();
                    _numberOfTagsText = "     " + _TagInfoList.Count.ToString() + " tags";
                    RaisePropertyChanged(() => numberOfTagsText);

                    _tagCount4Display = 0;
                    _tagPerSecondText = _tagCount4Display.ToString() + " tags/s     ";

                    RaisePropertyChanged(() => tagPerSecondText);
                }
            });
        }