ModelValidationContextsNodeGenerator Class

A Nodes Generator that generates the content of the IModelValidationContexts node.

Namespace: DevExpress.ExpressApp.Validation

Assembly: DevExpress.ExpressApp.Validation.v24.2.dll

NuGet Package: DevExpress.ExpressApp.Validation

Declaration

C#

public class ModelValidationContextsNodeGenerator :
    ModelNodesGeneratorBase

VB.NET

Public Class ModelValidationContextsNodeGenerator
    Inherits ModelNodesGeneratorBase

Remarks

This class is a ModelNodesGeneratorBase descendant, that generates child nodes of the Validation | Contexts node. It uses IRuleBaseProperties.TargetContextIDs values from the Validation | Rules | Rule nodes to collect Validation Contexts, and adds an IModelValidationContext node for each Context.

To customize the content of the Contexts node, implement a Generator Updater for this Nodes Generator by inheriting the ModelNodesGeneratorUpdater<T> class in the following manner:

C#

public class Updater : ModelNodesGeneratorUpdater<NavigationItemNodeGenerator> {
    public override void UpdateNode(ModelNode node) {
        // Cast the 'node' parameter to IModelValidationContexts
        // to access the Contexts node.
    }
}

VB.NET

Public Class Updater
    Inherits ModelNodesGeneratorUpdater(Of )
    Public Overrides Sub UpdateNode(ByVal node As ModelNode)
        ' Cast the 'node' parameter to IModelValidationContexts
        ' to access the Contexts node.
    End Sub
End Class

The Generator Updater above should be registered within the overridden ModuleBase.AddGeneratorUpdaters method.

For a complete list of available Nodes Generators, refer to the Built-in Nodes Generators topic.

Inheritance

Object

ModelNodesGeneratorBase

ModelValidationContextsNodeGenerator