| 1. | Create a new sorted dictionary of strings, with string keys | | |
| 2. | The Add method throws an exception if the new key is already in the dictionary | | |
| 3. | The Item property is the default property, so you can omit its name when accessing elements | | |
| 4. | The default Item property can be used to change the value associated with a key | | |
| 5. | If a key does not exist, setting the default Item property for that key adds a new key/value pair | | |
| 6. | Item property throws an exception if the requested key is not in the dictionary | | |
| 7. | TryGetValue can be a more efficient way to retrieve values | | |
| 8. | ContainsKey can be used to test keys before inserting them | | |
| 9. | When you use foreach to enumerate dictionary elements, the elements are retrieved as KeyValuePair objects | | |
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| 10. | To get the values alone, use the Values property | | |
| 11. | To get the keys alone, use the Keys property | | |
| 12. | Use the Remove method to remove a key/value pair | | |
| 13. | StringDictionary Class implements a hash table with the key and the value | | |
| 14. | Display the contents of the collection using the enumerator | | |
| 15. | Uses the Keys, Values, Count, and Item properties | | |
| 16. | Copies the StringDictionary to an array with DictionaryEntry elements | | |
| 17. | Searches for a value | | |
| 18. | Searches for a key and deletes it | | |
| 19. | StringDictionary.Add adds an entry into the StringDictionary. | | |
| 20. | StringDictionary.ContainsKey Method determines if the StringDictionary contains a specific key. | | |
| 21. | StringDictionary.CopyTo Method copies dictionary values to a one-dimensional Array | | |
| 22. | StringDictionary.Count gets the number of key/value pairs | | |
| 23. | StringDictionary.Values Property gets a collection of values in the StringDictionary. | | |