Rule Class
When overridden in a derived class, compares rules and determines when they are raised.
Namespace: Microsoft.VisualStudio.Modeling
Assembly: Microsoft.VisualStudio.Modeling.Sdk (in Microsoft.VisualStudio.Modeling.Sdk.dll)
Syntax
'Declaration
Public MustInherit Class Rule _
Implements IComparable, IComparable(Of Rule)
'Usage
Dim instance As Rule
public abstract class Rule : IComparable,
IComparable<Rule>
public ref class Rule abstract : IComparable,
IComparable<Rule^>
public abstract class Rule implements IComparable, IComparable<Rule>
Remarks
When you use a rule with a model, you must define the RuleOnAttribute attribute. This attribute indicates the type of the rule and when the rule should be raised. Rules can be raised immediately, when a local transaction is committed, or when a top-level transaction is committed. Rules occur inside the context of a transaction. Therefore, the rule is raised before the transaction is committed.
Rules can raise other rules.
Inheritance Hierarchy
System.Object
Microsoft.VisualStudio.Modeling.Rule
Microsoft.VisualStudio.Modeling.AddRule
Microsoft.VisualStudio.Modeling.ChangeRule
Microsoft.VisualStudio.Modeling.DeleteRule
Microsoft.VisualStudio.Modeling.DeletingRule
Microsoft.VisualStudio.Modeling.MoveRule
Microsoft.VisualStudio.Modeling.RolePlayerChangeRule
Microsoft.VisualStudio.Modeling.RolePlayerPositionChangeRule
Microsoft.VisualStudio.Modeling.TransactionBeginningRule
Microsoft.VisualStudio.Modeling.TransactionCommittingRule
Microsoft.VisualStudio.Modeling.TransactionRollingBackRule
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.