ContainsValue Method

Dictionary<TKey, TValue>.ContainsValue Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Determines whether the Dictionary<TKey, TValue> contains a specific value.

Namespace:  System.Collections.Generic
Assembly:  mscorlib (in mscorlib.dll)

public bool ContainsValue(
	TValue value
)

Parameters

value
Type: TValue
The value to locate in the Dictionary<TKey, TValue>. The value can be null for reference types.

Return Value

Type: System.Boolean
true if the Dictionary<TKey, TValue> contains an element with the specified value; otherwise, false.

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.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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