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Type.IsEnumDefined Method

.NET Framework 4.5

Other Versions

.NET Framework 4

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

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

Syntax

C++

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.

Exceptions

Exception	Condition
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.

Version Information

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Platforms

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.

Reference

Type Class

System Namespace

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