public int IndexOf(TKey key)
{
if (_keyedCollection.Contains(key))
{
return(_keyedCollection.IndexOf(_keyedCollection[key]));
}
else
{
return(-1);
}
}
public TValue this[TKey key] {
get {
if (_keyedCollection.Contains(key) == false)
{
throw new ArgumentException(String.Format("The given key is not present in the dictionary: {0}", key));
}
var kvp = _keyedCollection[key];
return(kvp.Value);
}
set {
var kvp = new KeyValuePair <TKey, TValue>(key, value);
var idx = IndexOf(key);
if (idx > -1)
{
_keyedCollection[idx] = kvp;
}
else
{
_keyedCollection.Add(kvp);
}
}
}