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GetLightTypeFromInstance Method

Light Type Get Light Type From Instance Method

Creates a light type object from the given document and element ID

Namespace: Autodesk.Revit.DB.Lighting
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax 
public static LightType GetLightTypeFromInstance(
	Document document,
	ElementId instanceId
)

Parameters

document Document
The document the instanceId is from
instanceId ElementId
The ID of the light fixture instance

Return Value

LightType
The newly created LightType object
Exceptions
Exception Condition
ArgumentException The ElementId is the argument that is being validated The ElementId is not valid because it is not for a light element.
ArgumentNullException A non-optional argument was null
Example 
public LightType GetLightTypeFromLightInstance(Document document)
{
    if(document.IsFamilyDocument) // not used in family document
        return null;

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

    // Get the LightType for given light fixture
    return LightType.GetLightTypeFromInstance(document, lightFixture.Id);
}
See Also