Returns a value that indicates whether the specified value exists in the current enumeration type.
Assembly: mscorlib (in mscorlib.dll)
Syntax . . :: . Boolean
true if the specified value is a member of the current enumeration type; otherwise, false.
Public Overridable Function IsEnumDefined ( _
value As Object _
) As Booleanpublic virtual bool IsEnumDefined(
Object value
)public:
virtual bool IsEnumDefined(
Object^ value
)abstract IsEnumDefined :
value:Object -> bool
override IsEnumDefined :
value:Object -> bool Parameters
- value
- Type: System
. . :: . Object
The value to be tested.
Return Value
Type: Systemtrue 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 |
| InvalidOperationException | value is of a type that cannot be the underlying type of an enumeration. |
Platforms
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.