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

Determines if this dictionary contains a key equal to key. The dictionary is not changed.

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

Syntax

public bool ContainsKey(
	TKey key
)
Public Function ContainsKey ( _
	key As TKey _
) As Boolean
public:
bool^ ContainsKey(
	TKey key
)

Parameters

key
Type: TKey
The key to search for.

Return Value

True if the dictionary contains key. False if the dictionary does not contain key.

Remarks

Searching the dictionary for a key takes time O(log N), where N is the number of keys in the dictionary.

See Also

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