ParameterValuePresenceRule

Description:
Tests whether an element's parameter has a value or not.

Inheritance Hierarchy:
System.Object
  Autodesk.Revit.DB.FilterRule
    Autodesk.Revit.DB.ParameterValuePresenceRule
      Autodesk.Revit.DB.HasNoValueFilterRule
      Autodesk.Revit.DB.HasValueFilterRule

public class ParameterValuePresenceRule : FilterRule

Public Class ParameterValuePresenceRule _
	Inherits FilterRule

public ref class ParameterValuePresenceRule : public FilterRule

Name	Return Type	Description	Inherited From
M Dispose()	None	Releases all resources used by the	FilterRule
M ElementPasses(Element)	bool	Derived classes override this method to implement the test that determines whether the given element passes this rule or not.	FilterRule
M GetRuleParameter()	ElementId	Returns the ElementId of the parameter associated to this FilterRule if there is one, or invalidElementId if there is no associated parameter.	FilterRule

Name	Return Type	Description	Inherited From
P Parameter	ElementId	The parameter which will be evaluated to pass this rule.
P IsValidObject	bool	Specifies whether the .NET object represents a valid Revit entity.	FilterRule