Dictionary<TKey, TValue>.ContainsValue Method
Determines whether the Dictionary<TKey, TValue> contains a specific value.
Namespace: System.Collections.Generic
Assembly: mscorlib (in mscorlib.dll)
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.Booleantrue 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 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
