public override IEnumerator <KeyValuePair <TKey, TValue> > GetEnumerator()
{
using (var enumKeys = _myDictionary.EnumerateKeys()) {
while (enumKeys.MoveNext())
{
var key = enumKeys.Current;
IEnumerator <TValue> enumValues;
if (_myDictionary.TryEnumerateValuesForKey(key, out enumValues))
{
using (enumValues) {
while (enumValues.MoveNext())
{
yield return(new KeyValuePair <TKey, TValue>(key, enumValues.Current));
}
}
}
}
}
}
/// <summary>
/// Enumerate all the values associated with key.
/// </summary>
/// <returns>An IEnumerator<TValue> that enumerates all the values associated with key.</returns>
public override IEnumerator <TValue> GetEnumerator()
{
IEnumerator <TValue> values;
return(_myDictionary.TryEnumerateValuesForKey(_key, out values) ? values : NoValues());
}