FilteredElementCollectorOfCategory Method

public FilteredElementCollector OfCategory(
	BuiltInCategory category
)

Public Function OfCategory ( 
	category As BuiltInCategory
) As FilteredElementCollector

public:
FilteredElementCollector^ OfCategory(
	BuiltInCategory category
)

member OfCategory : 
        category : BuiltInCategory -> FilteredElementCollector 

// 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();