public ChangedEventArgs(ChangeType enCT, int nIndex, IdNamePair cItem, IdNamePair cReplacement)
{
enChangeType = enCT;
cChangedItem = cItem;
cReplacedWith = cReplacement;
this.nIndex = nIndex;
}
public ChangedEventArgs(ChangeType enCT, int nIndex, IdNamePair cItem) : this(enCT, nIndex, cItem, null)
{
}