| Collection.Add method | Adds a member to a Collection object |
| Collection.Count method | Indicates the number of items stored to a Collection object |
| Collection.Item method | Retrieves a member from a Collection object based on its key value or its ordinal position |
| Collection.Remove method | Removes the member associated with a given key or ordinal position from a Collection object |
| Hashtable.Add method | Adds a key-value pair to a HashTable object |
| Hashtable.Clear method | Removes all entries from the hash table |
| Hashtable.ContainsKey method | Indicates whether a given key exists among the hash table's items |
| Hashtable.ContainsValue method | Indicates whether a given value exists among the hash table's items |
| Hashtable.CopyTo method | Copies hash table values into an array of DictionaryEntry structures |
| Hashtable.Count property | Indicates the total number of elements in the hash table |
| Hashtable.Item property | Retrieves the value of a hash table item given its key |
| Hashtable.Keys property | Returns an ICollection object that contains the keys in the hash table |
| Hashtable.Remove method | Removes a key/value pair from the hash table |
| Hashtable.Values property | Returns an ICollection object that contains the values in the hash table |
| Queue.Clear method | Clears all items in the queue |
| Queue.Contains method | Indicates whether the queue contains a particular object |
| Queue.CopyTo method | Copies the queue elements to an array |
| Queue.Count method | Indicates the total number of items in the queue |
| Queue.Dequeue method | Removes an item from the queue |
| Queue.Enqueue method | Places an item at the end of the queue |
| Queue.Peek method | Returns the first item in the queue |
| Queue.ToArray method | Copies the queue elements to an array |
| Stack.Clear method | Clears all items in the stack |
| Stack.Contains method | Indicates whether the stack contains a particular object |
| Stack.CopyTo method | Copies the items in the stack to an array |
| Stack.Count method | Indicates the total number of items in the stack |
| Stack.Peek method | Returns the item at the top of the stack |
| Stack.Pop method | Removes the topmost item from the stack |
| Stack.Push method | Places an item at the top of the stack |
| Stack.ToArray method | Copies the items on the stack to an array |