Rule Class

Abstract class from which different types of store rule can be derived.

Inheritance Hierarchy

System.Object
  Microsoft.VisualStudio.Modeling.Rule
    More...

Namespace:  Microsoft.VisualStudio.Modeling
Assembly:  Microsoft.VisualStudio.Modeling.Sdk.10.0 (in Microsoft.VisualStudio.Modeling.Sdk.10.0.dll)

Syntax

'宣告
Public MustInherit Class Rule _
    Implements IComparable, IComparable(Of Rule)

public abstract class Rule : IComparable, 
    IComparable<Rule>

public ref class Rule abstract : IComparable, 
    IComparable<Rule^>

[<AbstractClass>]
type Rule =  
    class
        interface IComparable
        interface IComparable<Rule>
    end

public abstract class Rule implements IComparable, IComparable<Rule>

The Rule type exposes the following members.

Constructors

	Name	Description
	Rule	Initializes a new instance of the Rule class.

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Properties

	Name	Description
	FireBefore	true if this rule will be executed before the change occurs.
	FireImmediately	true if this rule will execute immediately the change occurs.
	FireOnLocalCommit	true if this rule will execute when the current transaction commits.
	FireOnTopLevelCommit	true if this rule will execute when the top level transaction commits.
	FireTime	Gets or sets when the rule should execute. Normally set by the RuleOn attribute.
	IsEnabled	Gets or sets whether the rule is enabled. Normally true by default, but you can initialize it to false in the RuleOn attribute.
	Priority	Gets the priority that is assigned to the rule. Helps to determine the order in which rules are executed at the end of a transaction.

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Methods

	Name	Description
	CompareTo(Object)	Compares the rule to another object.
	CompareTo(Rule)	Compares the rule to another rule by their IDs.
	Equals(Object)	Verifies whether the rule is equal to another object. (Overrides Object.Equals(Object).)
	Equals(Rule)	Verifies whether a rule is equal to another rule.
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Gets the hash code for the rule. (Overrides Object.GetHashCode().)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Operators

	Name	Description
	Equality	Verifies whether two rules are equal.
	GreaterThan	Used to sort rules into order by ID.
	Inequality	Verifies whether two rules are not equal.
	LessThan	Used to sort rules into order by ID.

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Remarks

To define a rule that propagates changes in the store, derive a class from one of this class’s derived classes such as AddRule. Apply the rule to a domain class using the RuleOn attribute.

Examples

For more information and examples, see Rules Propagate Changes Within the Model.

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.

See Also

Reference

Microsoft.VisualStudio.Modeling Namespace

RuleOnAttribute

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