ElementCategoryFilter
Description:
A filter used to match elements by their category.
A filter used to match elements by their category.
Remarks:
This filter is a quick filter. Quick filters operate only on the ElementRecord, a low-memory class which has a limited interface to read element properties. Elements which are rejected by a quick filter will not be expanded in memory.
This filter is a quick filter. Quick filters operate only on the ElementRecord, a low-memory class which has a limited interface to read element properties. Elements which are rejected by a quick filter will not be expanded in memory.
Inheritance Hierarchy:
System.Object
Autodesk.Revit.DB.ElementFilter
Autodesk.Revit.DB.ElementQuickFilter
Autodesk.Revit.DB.ElementCategoryFilter
System.Object
Autodesk.Revit.DB.ElementFilter
Autodesk.Revit.DB.ElementQuickFilter
Autodesk.Revit.DB.ElementCategoryFilter
public class ElementCategoryFilter : ElementQuickFilter
// Find all Wall instances in the document by using category filter
ElementCategoryFilter filter = new ElementCategoryFilter(BuiltInCategory.OST_Walls);
// Apply the filter to the elements in the active document,
// Use shortcut WhereElementIsNotElementType() to find wall instances only
FilteredElementCollector collector = new FilteredElementCollector(document);
IList<Element> walls = collector.WherePasses(filter).WhereElementIsNotElementType().ToElements();
String prompt = "The walls in the current document are:\n";
foreach (Element e in walls)
{
prompt += e.Name + "\n";
}
TaskDialog.Show("Revit", prompt);
| Name | Return Type | Description | Inherited From |
|---|---|---|---|
| ElementCategoryFilter(BuiltInCategory) | None | Constructs a new instance of a filter to match elements by category. | |
| ElementCategoryFilter(ElementId) | None | Constructs a new instance of a filter to match elements by category. | |
| ElementCategoryFilter(BuiltInCategory, Boolean) | None | Constructs a new instance of a filter to match elements by category, with the option to match all elements which are not of the given category. | |
| ElementCategoryFilter(ElementId, Boolean) | None | Constructs a new instance of a filter to match elements by category, with the option to match all elements which are of the given category. |
| Name | Return Type | Description | Inherited From |
|---|---|---|---|
| Dispose() | None | (Inherited from ElementFilter ) | ElementFilter |
| Equals | None | Determines whether the specified object is equal to the current object. (Inherited from Object ) | Object |
| GetHashCode | None | Serves as the default hash function. (Inherited from Object ) | Object |
| GetType | None | Gets the Type of the current instance. (Inherited from Object ) | Object |
| PassesFilter(Element) | Boolean | Applies the filter to a given element. (Inherited from ElementFilter ) | ElementFilter |
| PassesFilter(Document, ElementId) | Boolean | Applies the filter to a given element. (Inherited from ElementFilter ) | ElementFilter |
| ToString | None | Returns a string that represents the current object. (Inherited from Object ) | Object |
| Name | Return Type | Description | Inherited From |
|---|---|---|---|
| CategoryId | ElementId | The category id. | |
| Inverted | bool | True if the results of the filter are inverted; elements that would normally be accepted by this filter will be rejected, and elements that would normally be rejected will be accepted. (Inherited from ElementFilter ) | ElementFilter |
| IsValidObject | Boolean | Specifies whether the .NET object represents a valid Revit entity. (Inherited from ElementFilter ) | ElementFilter |