Constraint Class

Reference

Definition

Namespace:: System.Activities.Validation

Assembly:: System.Activities.dll

Important

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Handles the validation constraint that is used for validating an activity.

public ref class Constraint abstract : System::Activities::NativeActivity

public abstract class Constraint : System.Activities.NativeActivity

type Constraint = class
    inherit NativeActivity

Public MustInherit Class Constraint
Inherits NativeActivity

Inheritance: Object

Activity

NativeActivity
Constraint

Derived: System.Activities.Validation.Constraint<T>

Fields

ValidationErrorListPropertyName

The name for an activity constraint property that is a list of workflow run-time validation errors.

Properties

CacheId	Gets the identifier of the cache that is unique within the scope of the workflow definition. (Inherited from Activity)
CanInduceIdle	Gets or sets a value that indicates whether the activity can cause the workflow to become idle. (Inherited from NativeActivity)
Constraints	Gets a collection of Constraint activities that can be configured to provide validation for the Activity. (Inherited from Activity)
DisplayName	Gets or sets an optional friendly name that is used for debugging, validation, exception handling, and tracking. (Inherited from Activity)
Id	Gets an identifier that is unique in the scope of the workflow definition. (Inherited from Activity)
Implementation	The execution logic of the activity. (Inherited from NativeActivity)
ImplementationVersion	Gets or sets the implementation version of the activity. (Inherited from NativeActivity)

Methods

Abort(NativeActivityAbortContext)	When implemented in a derived class, takes actions in response to the activity being aborted. (Inherited from NativeActivity)
AddValidationError(NativeActivityContext, ValidationError)	Adds a validation error to a list of run-time validation errors that are attached to the execution context.
CacheMetadata(ActivityMetadata)	Not implemented. Use the CacheMetadata(NativeActivityMetadata) method instead. (Inherited from NativeActivity)
CacheMetadata(NativeActivityMetadata)	Creates a NativeActivityMetadata object that contains runtime arguments for the workflow validation process.
Cancel(NativeActivityContext)	When implemented in a derived class, runs logic to cause graceful early completion of the activity. (Inherited from NativeActivity)
Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
Execute(NativeActivityContext)	Invokes the process that validates an activity.
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)
OnCreateDynamicUpdateMap(NativeActivityUpdateMapMetadata, Activity)	Raises an event when creating a map for the dynamic update. (Inherited from NativeActivity)
OnCreateDynamicUpdateMap(UpdateMapMetadata, Activity)	Raises an event when creating a map for the dynamic update. (Inherited from NativeActivity)
OnExecute(NativeActivityContext, Object, ValidationContext)	When implemented by a derived class, validates the specified object using the specified native activity and validation contexts.
ShouldSerializeDisplayName()	Indicates whether the DisplayName property should be serialized. (Inherited from Activity)
ToString()	Returns a String that contains the Id and DisplayName of the Activity. (Inherited from Activity)
UpdateInstance(NativeActivityUpdateContext)	Updates the instance of NativeActivity. (Inherited from NativeActivity)

Applies to

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