ParameterDescriptor.IsDefined Method
Indicates whether one or more instances of a custom attribute type are defined for this member.
Namespace: System.Web.Mvc
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
'Declaration Public Overridable Function IsDefined ( _ attributeType As Type, _ inherit As Boolean _ ) As Boolean 'Usage Dim instance As ParameterDescriptor Dim attributeType As Type Dim inherit As Boolean Dim returnValue As Boolean returnValue = instance.IsDefined(attributeType, _ inherit)
Parameters
- attributeType
- Type: System.Type
The type of the custom attributes.
- inherit
- Type: System.Boolean
true to look up the hierarchy chain for the inherited custom attribute; otherwise, false.
Return Value
Type: System.Booleantrue if the custom attribute type is defined for this member; otherwise, false.
Implements
ICustomAttributeProvider.IsDefined(Type, Boolean)| Exception | Condition |
|---|---|
| ArgumentNullException | The attributeType parameter is Nothing. |
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