LightGroup Class
This class represents a set of lights grouped together for easier management of various lighting scenarios

Namespace: Autodesk.Revit.DB.Lighting
Assembly: RevitAPI (in RevitAPI.dll) Version: 23.0.0.0 (23.1.0.0)
Since:  2013

Syntax

C#
public class LightGroup : IDisposable
Visual Basic
Public Class LightGroup _
	Implements IDisposable
Visual C++
public ref class LightGroup : IDisposable

Examples

CopyC#
public void AddRemoveLightInGroup(LightGroup groupOne, LightGroup groupTwo, FamilyInstance lightOne, FamilyInstance lightTwo)
{
    // Add two lights into groupOne.
    groupOne.AddLight(lightOne.Id);
    groupOne.AddLight(lightTwo.Id);

    // Move a light from groupOne to groupTwo
    groupTwo.AddLight(lightOne.Id);

    // Retrieve the added lights in the group
    ICollection<ElementId> existingLightIds = groupOne.GetLights();

    // remove the light
    groupOne.RemoveLight(lightTwo.Id);
}
CopyVB.NET
Public Sub AddRemoveLightInGroup(groupOne As LightGroup, groupTwo As LightGroup, lightOne As FamilyInstance, lightTwo As FamilyInstance)
   ' Add two lights into groupOne.
   groupOne.AddLight(lightOne.Id)
   groupOne.AddLight(lightTwo.Id)

   ' Move a light from groupOne to groupTwo
   groupTwo.AddLight(lightOne.Id)

   ' Retrieve the added lights in the group
   Dim existingLightIds As ICollection(Of ElementId) = groupOne.GetLights()

   ' remove the light
   groupOne.RemoveLight(lightTwo.Id)
End Sub

Inheritance Hierarchy

System..::..Object
  Autodesk.Revit.DB.Lighting..::..LightGroup

See Also

T:Autodesk.Revit.DB.Lighting.LightGroup