.NET Framework Class Library
DictionaryTKey, TValueContainsValue Method

Determines whether the DictionaryTKey, TValue contains a specific value.

Namespace:   System.Collections.Generic
Assembly:  mscorlib (in mscorlib.dll)
Public Function ContainsValue ( _
	value As TValue _
) As [%$TOPIC/a63811ah_en-us_VS_110_2_0_0_0_0%]
public [%$TOPIC/a63811ah_en-us_VS_110_2_0_1_0_0%] ContainsValue(
	TValue value
[%$TOPIC/a63811ah_en-us_VS_110_2_0_2_0_0%] ContainsValue(
	TValue value
member ContainsValue : 
        value:'TValue -> [%$TOPIC/a63811ah_en-us_VS_110_2_0_3_0_0%]


Type: TValue

The value to locate in the DictionaryTKey, TValue. The value can be for reference types.

Return Value

Type: SystemBoolean
true if the DictionaryTKey, TValue contains an element with the specified value; otherwise, false.

This method determines equality using the default equality comparer EqualityComparerTDefault 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.

Version Information

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, 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.