Constraint<T> Class

Definition

Namespace:

System.Activities.Validation

Assembly:

System.Activities.dll

Handles a constraint used for validating an element of type T.

generic <typename T>
public ref class Constraint sealed : System::Activities::Validation::Constraint

[System.Windows.Markup.ContentProperty("Body")]
public sealed class Constraint<T> : System.Activities.Validation.Constraint

[<System.Windows.Markup.ContentProperty("Body")>]
type Constraint<'T> = class
    inherit Constraint

Public NotInheritable Class Constraint(Of T)
Inherits Constraint

Type Parameters

T

The type of the element to be validated.

Inheritance

Object

Activity

NativeActivity

Constraint

Constraint<T>

Attributes

ContentPropertyAttribute

Constructors

Constraint<T>()

Creates a new instance of the Constraint<T> class.

Fields

ValidationErrorListPropertyName

The name for an activity constraint property that is a list of workflow run-time validation errors. (Inherited from Constraint)

Properties

Body	Gets or sets the validation logic.
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)
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. (Inherited from Constraint)
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. (Inherited from Constraint)
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. (Inherited from Constraint)
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)