RequiredAttribute Class

Retired Content
This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This page may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.

Specifies a property or event that is required.

Namespace:  Microsoft.Practices.EnterpriseLibrary.Configuration.Design.Validation
Assembly:  Microsoft.Practices.EnterpriseLibrary.Configuration.Design (in Microsoft.Practices.EnterpriseLibrary.Configuration.Design.dll)

Syntax

'Declaration
<AttributeUsageAttribute(AttributeTargets.Property Or AttributeTargets.Field, Inherited := True)> _
PublicNotInheritableClassRequiredAttribute _
    Inherits ValidationAttribute

[AttributeUsageAttribute(AttributeTargets.Property|AttributeTargets.Field, Inherited = true)]
publicsealedclassRequiredAttribute : ValidationAttribute

[AttributeUsageAttribute(AttributeTargets::Property|AttributeTargets::Field, Inherited = true)]
publicref classRequiredAttributesealed : public ValidationAttribute

publicfinalclass RequiredAttribute extends ValidationAttribute

Inheritance Hierarchy

System.Object
  System.Attribute
    Microsoft.Practices.EnterpriseLibrary.Configuration.Design.Validation.ValidationAttribute
      Microsoft.Practices.EnterpriseLibrary.Configuration.Design.Validation.RequiredAttribute

See Also

RequiredAttribute Members

Microsoft.Practices.EnterpriseLibrary.Configuration.Design.Validation Namespace

Retired Content
This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This page may contain URLs that were valid when originally published, but now link to sites or pages that no longer exist.