public override object Copy()
{
Guid?nextTech = ParentGrid.GetCellData(this.Colomn - 1, this.Row) as Guid?;
if (nextTech != null)
{
List <Guid> keyList = _guidDictionary.Keys.ToList();
int index = keyList.IndexOf((Guid)nextTech);
nextTech = keyList[index + 1];
}
return(new ItemGridCell_TechStaticDataType(nextTech, _guidDictionary.Values.ToList()));
}