M

LightType.GetLightType

Description:
Creates a light type object from the given document and family type ID

public static LightType GetLightType(
	Document document,
	ElementId typeId
)

Public Shared Function GetLightType ( _
	document As Document, _
	typeId As ElementId _
) As LightType

public:
static LightType^ GetLightType(
	Document^ document, 
	ElementId^ typeId
)

Autodesk.Revit.DB.Document

document

The document the typeId is from
Autodesk.Revit.DB.ElementId

typeId

The ID of the light family type

Return Value LightType The newly created LightType object

public LightType GetLightTypeFromLightSymbol(Document document)
{
    if (document.IsFamilyDocument) // not used in family document
        return null;

    // In order to get the light infromation, please get a light fixture symbol first
    FilteredElementCollector collector = new FilteredElementCollector(document);
    collector.OfClass(typeof(FamilySymbol)).OfCategory(BuiltInCategory.OST_LightingFixtures);
    FamilySymbol lightSymbo = collector.Cast<FamilySymbol>().First<FamilySymbol>();
    if (lightSymbo == null)    // check null reference
        return null;

    // Get the LightType for given light fixture sybmol
    return LightType.GetLightType(document, lightSymbo.Id);
}

Public Function GetLightTypeFromLightSymbol(document As Document) As LightType
   If document.IsFamilyDocument Then
      ' not used in family document
      Return Nothing
   End If

   ' In order to get the light infromation, please get a light fixture symbol first
   Dim collector As New FilteredElementCollector(document)
   collector.OfClass(GetType(FamilySymbol)).OfCategory(BuiltInCategory.OST_LightingFixtures)
   Dim lightSymbo As FamilySymbol = collector.Cast(Of FamilySymbol)().First()
   If lightSymbo Is Nothing Then
      ' check null reference
      Return Nothing
   End If

   ' Get the LightType for given light fixture sybmol
   Return LightType.GetLightType(document, lightSymbo.Id)
End Function

Autodesk.Revit.Exceptions.ArgumentException

The ElementId is the argument that is being validated The ElementId is not valid because it is not for a light element.
Autodesk.Revit.Exceptions.ArgumentNullException

A non-optional argument was null