public void MoveAllUpCommandTriggered()
{
//if (SelectedShownOrderTypes.Count > 0)
{
var diffOfShownSelectedList = new List <string>(ShownOrderTypeList.Except(_indexedSelectedShownItem.Values));
var selectedAvlList = new List <string>(_indexedSelectedShownItem.Values);
ShownOrderTypeList.Clear();
foreach (var item in selectedAvlList.Union(diffOfShownSelectedList))
{
ShownOrderTypeList.Add(item);
}
}
}
