ValidationController Class

Articolo
11/24/2013

Contains logic to validate a single model element or all model elements in a store or partition.

Inheritance Hierarchy

System.Object
Microsoft.VisualStudio.Modeling.Validation.ValidationController
Microsoft.VisualStudio.Modeling.Shell.VsValidationController

Namespace: Microsoft.VisualStudio.Modeling.Validation
Assembly: Microsoft.VisualStudio.Modeling.Sdk.12.0 (in Microsoft.VisualStudio.Modeling.Sdk.12.0.dll)

Syntax

'Declaration
Public Class ValidationController

public class ValidationController

public ref class ValidationController

type ValidationController =  class end

public class ValidationController

The ValidationController type exposes the following members.

Constructors

	Name	Description
	ValidationController	Creates a new instance of the ValidationController class.

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Properties

	Name	Description
	ErrorMessages	Gets a copy of all the active error and fatal messages.
	FatalMessages	Gets a copy of all the active fatal messages.
	IncludeLinkedExtensionElements	Indicates whether ExtensionElements linked to the ModelElements being validated should also be validated. ExtensionElements allow a DSL definition to be extended by a third party.
	InformationalMessages	gets a copy of all the active informational messages.
	ValidationExtensionRegistrar	Property for ValidationExtension Registrar
	ValidationMessages	Gets the validation messages for the controller.
	WarningMessages	Gets a copy of all the active warning messages.

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Methods

	Name	Description
	AddObserver	Adds an observer to the list of observers for the controller. The observer will be notified when a message is added to or removed from the list for this controller.
	ClearMessages	Removes all error and warning messages from the controller.
	CreateValidationContext(IEnumerable<ModelElement>, ValidationCategories)	Creates a validation context for validation of a list of elements.
	CreateValidationContext(IEnumerable<ModelElement>, array<String[])	Create a context for validation of a collection of model elements. Every validation method that belongs to any of the specified custom categories will be applied to every element in the subjects list.
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetExtensionElements	Calculates and returns a list of extension elements that should be included in the list of elements being validated
	GetHashCode	Serves as the default hash function. (Inherited from Object.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	RemoveObserver	Removes the observer from the list of observers for the controller.
	ToString	Returns a string that represents the current object. (Inherited from Object.)
	Validate(ModelElement, ValidationCategories)	Do validation for a single element, invoking validation methods that have ValidationMethod attributes for one or more of the specified validation categories.
	Validate(IEnumerable<ModelElement>, ValidationCategories)	Apply validation methods to every model element in a list. Methods will be invoked that have a ValidationMethod attribute for one or more of the specified Categories.
	Validate(Partition, ValidationCategories)	Apply validation to every element in the specified partition, invoking validation methods that have ValidationMethod attributes for one or more of the specified categories.
	Validate(Store, ValidationCategories)	Apply validation to every element in the Store, invoking methods that have ValidationMethod attributes for one or more of the specified categories.
	ValidateCustom(ModelElement, array<String[])	Validates the specified model element using validation methods in the specified custom validation categories.
	ValidateCustom(IEnumerable<ModelElement>, array<String[])	Apply validation methods to each element in the collection. Each validation method in any of the chosen categories is applied to each element in the list. A validation method is in a category if it has a ValidationMethod attribute that specifies the category.
	ValidateCustom(Partition, array<String[])	Validates the model elements in a partition for the specified custom validation categories.
	ValidateCustom(Store, array<String[])	Validates every model elements in a store, using validation methods in the specified custom categories. A validation method belongs to a category if it has a ValidationMethod attribute specifying that category.

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Remarks

A ValidationController is created if you enable any validation setting in the model.

For example, this XML element in the DslDefinition file (the .dsl file) enables validation and creates a ValidationController object:

You can derive a class from ValidationController and register to be notified of validation events.

For more information, see Validation in a Domain-Specific Language.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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