object IDictionary.this[object key]
{
get
{
if (!(key is TKey))
{
throw new KeyNotFoundException();
}
ObservablePair <TKey, TValue> value = this[(TKey)key] as ObservablePair <TKey, TValue>;
if (value != null)
{
return(value.Second);
}
else
{
return(null);
}
}
set
{
throw new NotSupportedException();
}
}
protected override TKey GetKeyForItem(ObservablePair <TKey, TValue> item)
{
return(item.First);
}
