IRule Interface

Declares members implemented by Validation Rules.

Namespace: DevExpress.Persistent.Validation

Assembly: DevExpress.Persistent.Base.v23.2.dll

NuGet Package: DevExpress.Persistent.Base

Declaration

C#

public interface IRule

VB.NET

Public Interface IRule

Related API Members

The following members return IRule objects:

• CodeRuleAttribute.CreateRule()
• CustomNeedToValidateRuleEventArgs.Rule
• CustomValidateRuleEventArgs.Rule
• RuleSet.FindRule(String)
• RuleValidationResult.Rule

Remarks

When implementing a custom Validation Rule, it is generally easier to inherit from the RuleBase class instead of implementing the IRule interface. To see an example of implementing a custom Validation Rule, refer to the Implement Custom Rules topic.