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Type.IsEnumDefined Method

Returns a value that indicates whether the specified value exists in the current enumeration type.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)
public virtual bool IsEnumDefined(
	Object value
)

Parameters

value
Type: System.Object
The value to be tested.

Return Value

Type: System.Boolean
true if the specified value is a member of the current enumeration type; otherwise, false.
ExceptionCondition
ArgumentException

The current type is not an enumeration.

ArgumentNullException

value is null.

InvalidOperationException

value is of a type that cannot be the underlying type of an enumeration.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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