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Type.IsEnumDefined Method

.NET Framework 4.6 and 4.5

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: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4
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