Wintellect.PowerCollections Namespace
Algorithms Class
Bag(T) Class
BigList(T) Class
BinaryPredicate(T) Delegate
CollectionBase(T) Class
Deque(T) Class
DictionaryBase(TKey, TValue) Class
ListBase(T) Class
MultiDictionary(TKey, TValue) Class
MultiDictionaryBase(TKey, TValue) Class
OrderedBag(T) Class
OrderedBag(T).View Class
OrderedDictionary(TKey, TValue) Class
OrderedDictionary(TKey, TValue) Members
OrderedDictionary(TKey, TValue) Constructor
OrderedDictionary(TKey, TValue) Methods
Add Method
AddMany Method
Clear Method
Clone Method
CloneContents Method
ContainsKey Method
GetEnumerator Method
GetValueElseAdd Method
Range Method
RangeFrom Method
RangeTo Method
Remove Method
RemoveMany Method
Replace Method
Reversed Method
TryGetValue Method
OrderedDictionary(TKey, TValue) Properties
OrderedDictionary(TKey, TValue).View Class
OrderedMultiDictionary(TKey, TValue) Class
OrderedMultiDictionary(TKey, TValue).View Class
OrderedSet(T) Class
OrderedSet(T).View Class
Pair(TFirst, TSecond) Structure
ReadOnlyCollectionBase(T) Class
ReadOnlyDictionaryBase(TKey, TValue) Class
ReadOnlyListBase(T) Class
ReadOnlyMultiDictionaryBase(TKey, TValue) Class
Set(T) Class
Triple(TFirst, TSecond, TThird) Structure
GhostDoc Pro Sample Help File

OrderedDictionary<(Of <(<'TKey, TValue>)>)>..::..GetValueElseAdd Method

Finds a key in the dictionary. If the dictionary already contains a key equal to the passed key, then the existing value is returned via value. If the dictionary doesn't contain that key, then value is associated with that key.

Namespace:  Wintellect.PowerCollections
Assembly:  PowerCollections (in PowerCollections.dll)

Syntax

public bool GetValueElseAdd(
	TKey key,
	ref TValue value
)
Public Function GetValueElseAdd ( _
	key As TKey, _
	ByRef value As TValue _
) As Boolean
public:
bool^ GetValueElseAdd(
	TKey key, 
	TValue% value
)

Parameters

key
Type: TKey
The new key.
value
Type: TValue%
The new value to associated with that key, if the key isn't present. If the key was present, returns the exist value associated with that key.

Return Value

True if key was already present, false if key wasn't present (and a new value was added).

Remarks

between keys is determined by the comparison instance or delegate used to create the dictionary.

This method takes time O(log N), where N is the number of keys in the dictionary. If a value is added, It is more efficient than calling TryGetValue followed by Add, because the dictionary is not searched twice.

See Also

OrderedDictionary<(Of <(<'TKey, TValue>)>)> Class
Wintellect.PowerCollections Namespace