Applies an ElementCategoryFilter to the collector.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)

Syntax

C#
`public FilteredElementCollector OfCategory( BuiltInCategory category )`

Visual Basic
`Public Function OfCategory ( _ category As BuiltInCategory _ ) As FilteredElementCollector`

Visual C++
`public: FilteredElementCollector^ OfCategory( BuiltInCategory category )`

Parameters

category: Type: Autodesk.Revit.DBBuiltInCategory
The category.

Return Value

This collector.

Remarks

Only elements of this category id will pass the collector.

Examples

CopyC#

// Use OfCategory method to apply an ElementCategoryFilter and fine elements in the Doors category
FilteredElementCollector collector = new FilteredElementCollector(document);
ICollection<Element> doors = collector.OfCategory(BuiltInCategory.OST_Doors).ToElements();

CopyVB.NET

' Use OfCategory method to apply an ElementCategoryFilter and fine elements in the Doors category
Dim collector As New FilteredElementCollector(document)
Dim doors As ICollection(Of Element) = collector.OfCategory(BuiltInCategory.OST_Doors).ToElements()

OfCategory Method

Syntax

Parameters

Return Value

Remarks

Examples

See Also

Put AI to work inside Revit.