EnumExtensionsGetEnumValueOrDefaultT(Object, Object) Method

Gets the enumeration constant for this value, if defined in the enumeration, or a default value.

Definition

Namespace: Gemstone.EnumExtensions
Assembly: Gemstone.Common (in Gemstone.Common.dll) Version: 1.0.137 -- Release Build+84492f84208b356bfb930d6c506a4bce06d2449a

C#View Source Request Example

public static T GetEnumValueOrDefault<T>(
	this Object value,
	Object defaultValue = null
)

VBView Source Request Example

<ExtensionAttribute>
Public Shared Function GetEnumValueOrDefault(Of T) ( 
	value As Object,
	Optional defaultValue As Object = Nothing
) As T

C++View Source Request Example

public:
[ExtensionAttribute]
generic<typename T>
static T GetEnumValueOrDefault(
	Object^ value, 
	Object^ defaultValue = nullptr
)

JavaScriptView Source Request Example

JavaScript does not support generic types or methods.

Parameters

value Object: Value to attempt to return from enumeration.
defaultValue Object (Optional): Value to return if enumeration value is not found.

Type Parameters

T: Type of enumeration.

Return Value

T
Enumeration value specified, if found, or a default value.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type Object. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Remarks

If a default value is not defined, first enumeration value will be used.

Exceptions

ArgumentNullException	value is null.
ArgumentException	T is not an enum. -or- The type of value is not of type T. -or- The type of value is not an underlying type of T.
InvalidOperationException	value is not type SByte, Int16, Int32, Int64, Byte, UInt16, UInt32, or UInt64, or String.