public CurrentItemStateAdaptor(CurrentItemState <TSource> sourceState, Func <TSource, TResult> direct, Func <TResult, TSource> reverse)
{
this.reverse = reverse;
this.direct = direct;
this.sourceState = sourceState;
this.Item = direct(sourceState.Item);
sourceState.ItemChangedEx += new CurrentItemState <TSource> .EventHandlerEx(sourceState_ItemChangedEx);
ItemChanged += new EventHandler(CurrentItemStateAdaptor_ItemChanged);
}
public CurrentItemStateAdaptor(CurrentItemState <TSource> sourceState, Func <TSource, TResult> direct) : this(sourceState, direct, null)
{
}