Dictionary<TKey,TValue>.ContainsValue(TValue) Method
Definition
Important
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Determines whether the Dictionary<TKey,TValue> contains a specific value.
public:
bool ContainsValue(TValue value);public bool ContainsValue (TValue value);member this.ContainsValue : 'Value -> boolPublic Function ContainsValue (value As TValue) As BooleanParameters
- value
- TValue
The value to locate in the Dictionary<TKey,TValue>. The value can be null for reference types.
Returns
true if the Dictionary<TKey,TValue> contains an element with the specified value; otherwise, false.
Remarks
This method determines equality using the default equality comparer EqualityComparer<T>.Default for TValue, the type of values in the dictionary.
This method performs a linear search; therefore, the average execution time is proportional to Count. That is, this method is an O(n) operation, where n is Count.
