ActionDescriptor.IsDefined Method
Determines whether one or more instances of the specified attribute type are defined for this member.
Namespace: System.Web.Mvc
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
Syntax
'Declaration
Public Overridable Function IsDefined ( _
attributeType As Type, _
inherit As Boolean _
) As Boolean
public virtual bool IsDefined(
Type attributeType,
bool inherit
)
public:
virtual bool IsDefined(
Type^ attributeType,
bool inherit
)
Parameters
- attributeType
Type: System.Type
The type of the custom attribute.
- inherit
Type: System.Boolean
true to look up the hierarchy chain for the inherited custom attribute; otherwise, false.
Return Value
Type: System.Boolean
true if the attributeType is defined for this member; otherwise, false.
Implements
ICustomAttributeProvider.IsDefined(Type, Boolean)
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | The attritubeType parameter is null reference (Nothing in Visual Basic). |