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Type.GetEnumUnderlyingType Method

.NET Framework 4.5

Other Versions

.NET Framework 4

Returns the underlying type of the current enumeration type.

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

Syntax

C++

public virtual Type GetEnumUnderlyingType()

Return Value

Type: System.Type
The underlying type of the current enumeration.

Exceptions

Exception	Condition
ArgumentException	The current type is not an enumeration. -or- The enumeration type is not valid, because it contains more than one instance field.

Exception

Condition

ArgumentException

The current type is not an enumeration.

-or-

The enumeration type is not valid, because it contains more than one instance field.

Remarks

By default, the underlying type of an enumeration in C# and Visual Basic is Int32. Other integer types can be specified.

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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