Custom attribute that, when added to a field, property or parameter, throws an ArgumentNullException if the target is assigned a null or empty value. The custom attributes can be added to locations of type string (where empty means zero characters), or ICollection, ICollection<T> or IReadOnlyCollection<T> (where empty means zero items).
Namespace: PostSharp.Patterns.Contracts
Assembly: PostSharp.Patterns.Common.dll
Syntax
public sealed class NotEmptyAttribute : LocationContractAttribute, ILocationLevelAspect, IAspectRemarks
Error message is identified by NotEmptyErrorMessage.
Constructors
| Name | Description |
|---|---|
| NotEmptyAttribute() | Initializes a new NotEmptyAttribute. |
Methods
| Name | Description |
|---|---|
| GetErrorMessage() | Gets unformatted error message as defined by the instance. |
| ValidateValueDynamic(object, string, LocationKind, LocationValidationContext) | Validates a weakly-typed (boxed) value, typically the value of a dependency property or an attached property. |