ElementClassFilter Class

public class ElementClassFilter : ElementQuickFilter

Public Class ElementClassFilter
	Inherits ElementQuickFilter

public ref class ElementClassFilter : public ElementQuickFilter

type ElementClassFilter = 
    class
        inherit ElementQuickFilter
    end

// Use ElementClassFilter to find family instances whose name is 60" x 30" Student 
ElementClassFilter filter = new ElementClassFilter(typeof(FamilyInstance));

// Apply the filter to the elements in the active document
FilteredElementCollector collector = new FilteredElementCollector(document);
collector.WherePasses(filter);

// Use Linq query to find family instances whose name is 60" x 30" Student
var query = from element in collector
            where element.Name == "60\" x 30\" Student"
            select element;

// Cast found elements to family instances, 
// this cast to FamilyInstance is safe because ElementClassFilter for FamilyInstance was used
List<FamilyInstance> familyInstances = query.Cast<FamilyInstance>().ToList<FamilyInstance>();

' Use ElementClassFilter to find family instances whose name is 60" x 30" Student 
Dim filter As New ElementClassFilter(GetType(FamilyInstance))

' Apply the filter to the elements in the active document
Dim collector As New FilteredElementCollector(document)
collector.WherePasses(filter)

' Use Linq query to find family instances whose name is 60" x 30" Student
Dim query As System.Collections.Generic.IEnumerable(Of Autodesk.Revit.DB.Element)
query = From element In collector _
 Where element.Name = "60"" x 30"" Student" _
 Select element

' Cast found elements to family instances, 
' this cast to FamilyInstance is safe because ElementClassFilter for FamilyInstance was used
Dim familyInstances As List(Of FamilyInstance) = query.Cast(Of FamilyInstance)().ToList()

No code example is currently available or this language may not be supported.

No code example is currently available or this language may not be supported.