Has Value Filter Rule Class

Tests whether an element's parameter has a value.

Inheritance Hierarchy

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Syntax

public class HasValueFilterRule : ParameterValuePresenceRule

Public Class HasValueFilterRule
	Inherits ParameterValuePresenceRule

public ref class HasValueFilterRule : public ParameterValuePresenceRule

type HasValueFilterRule = 
    class
        inherit ParameterValuePresenceRule
    end

The HasValueFilterRule type exposes the following members.

Constructors

	Name	Description
	HasValueFilterRule	constructs an instance of HasValueFilterRule.

Properties

	Name	Description
	IsValidObject	Specifies whether the .NET object represents a valid Revit entity. (Inherited from FilterRule )
	Parameter	The parameter which will be evaluated to pass this rule. (Inherited from ParameterValuePresenceRule )

Methods

	Name	Description
	Dispose	(Inherited from FilterRule )
	ElementPasses	Derived classes override this method to implement the test that determines whether the given element passes this rule or not. (Inherited from FilterRule )
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object )
	GetHashCode	Serves as the default hash function. (Inherited from Object )
	GetRuleParameter	Returns the ElementId of the parameter associated to this FilterRule if there is one, or invalidElementId if there is no associated parameter. (Inherited from FilterRule )
	GetType	Gets the Type of the current instance. (Inherited from Object )
	ToString	Returns a string that represents the current object. (Inherited from Object )