public void CopyTo(KeyValuePair <TKey, TValue>[] array, int arrayIndex)
{
if (_dictionary != null)
{
// Manual use of IDictionaryEnumerator instead of foreach to avoid DictionaryEntry box allocations.
IDictionaryEnumerator e = _dictionary.GetEnumerator();
try
{
while (e.MoveNext())
{
DictionaryEntry entry = e.Entry;
array[arrayIndex++] = new KeyValuePair <TKey, TValue>(
(TKey)entry.Key,
(TValue)entry.Value
);
}
}
finally
{
(e as IDisposable)?.Dispose();
}
}
#if HAVE_READ_ONLY_COLLECTIONS
else if (_readOnlyDictionary != null)
{
throw new NotSupportedException();
}
#endif
else
{
GenericDictionary.CopyTo(array, arrayIndex);
}
}
void ICollection.CopyTo(Array array, int index)
{
if (_dictionary != null)
{
_dictionary.CopyTo(array, index);
}
#if HAVE_READ_ONLY_COLLECTIONS
else if (_readOnlyDictionary != null)
{
throw new NotSupportedException();
}
#endif
else
{
GenericDictionary.CopyTo((KeyValuePair <TKey, TValue>[])array, index);
}
}