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Dictionary.ContainsValue Method

Determines whether the Dictionary contains a specific value.

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

public bool ContainsValue (
	TValue value
)
public boolean ContainsValue (
	TValue value
)
public function ContainsValue (
	value : TValue
) : boolean
Not applicable.

Parameters

value

The value to locate in the Dictionary. The value can be a null reference (Nothing in Visual Basic) for reference types.

Return Value

true if the Dictionary contains an element with the specified value; otherwise, false.

This method determines equality using the default equality comparer EqualityComparer.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 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

.NET Compact Framework

Supported in: 2.0

XNA Framework

Supported in: 1.0

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