System.Workflow.Activities.Rules Namespace

Contains a set of classes that define the conditions and actions that form a rule.

Public classAddedConditionActionRepresents the addition of a RuleCondition to a workflow during dynamic update. This class cannot be inherited.
Public classAddedRuleSetAction 
Public classRemovedConditionActionRepresents the removal of a RuleCondition from a workflow during dynamic update. This class cannot be inherited.
Public classRemovedRuleSetActionRepresents the removal of a RuleSet during dynamic update. This class cannot be inherited.
Public classRuleDefines a condition with an associated set of actions to perform.
Public classRuleAction 
Public classRuleActionTrackingEventContains the name, instance ID, and condition result, of a rule that has been evaluated.
Public classRuleAnalysisStores the fields and properties read by a condition or written to by an action.
Public classRuleAttributeRepresents the base class for custom Rule attributes.
Public classRuleCondition 
Public classRuleConditionChangeAction 
Public classRuleConditionCollection 
Public classRuleConditionReferenceRepresents a RuleCondition in the conditions collection and enables you to programmatically evaluate the condition.
Public classRuleDefinitionsRepresents the root of the .rules files and contains all the RuleSets and RuleConditions associated with a workflow. This class cannot be inherited.
Public classRuleEngineUsed to perform RuleSet evaluation.
Public classRuleEvaluationExceptionRepresents the base class for all exceptions caused by rule evaluation issues.
Public classRuleEvaluationIncompatibleTypesException 
Public classRuleExceptionRepresents the base class for all exceptions caused by evaluation or validation of rules.
Public classRuleExecution 
Public classRuleExpressionConditionDefines the condition definition behind a RuleConditionReference. This class cannot be inherited.
Public classRuleExpressionInfo 
Public classRuleExpressionResult 
Public classRuleExpressionWalkerPropagates the current behavior in the expression to child nodes. This class cannot be inherited.
Public classRuleHaltActionCauses the RuleSet to stop executing and returns control back to the calling method.
Public classRuleInvokeAttribute 
Public classRuleLiteralResultRepresents the literal result of a custom expression written using IRuleExpression.
Public classRulePathQualifierBuilds the path of a field or property.
Public classRuleReadAttribute 
Public classRuleReadWriteAttributeRepresents the base class for the RuleReadAttribute and RuleWriteAttribute classes.
Public classRuleSetContains a collection of Rule classes along with the semantics for forward-chaining execution of those rules. A RuleSet can be executed directly in code or via the PolicyActivity activity.
Public classRuleSetChangeActionRepresents an abstract base class from which all dynamic update notifications of changes to a RuleSet must be derived from. This class cannot be inherited.
Public classRuleSetCollectionContains a collection of RuleSet classes defined in a workflow.
Public classRuleSetReferenceHolds the name of a RuleSet in the RuleSetCollection on the workflow. This class cannot be inherited.
Public classRuleSetValidationException 
Public classRuleStatementAction 
Public classRuleUpdateActionIndicates that a rule is updating a variable, in order to cause reevaluation of affected rules.
Public classRuleValidationValidates expression conditions.
Public classRuleWriteAttributeIndicates that a property or field is written by the method or property that this attribute is applied to. This information is used by the rules engine to determine dependencies between rules.This class cannot be inherited.
Public classUpdatedConditionAction 
Public classUpdatedRuleSetAction 

Public interfaceIRuleExpressionRepresents the base class from which custom expression writers must derive to write custom expressions.

Public enumerationRuleAttributeTargetSpecifies whether the path in a RuleReadAttribute or RuleWriteAttribute is for a method parameter, or this.
Public enumerationRuleChainingBehavior 
Public enumerationRuleReevaluationBehavior