using Autodesk.Revit.DB; using Nice3point.Revit.Toolkit.External; namespace Sai.RvKits.RvView; [Autodesk.Revit.Attributes.Transaction(Autodesk.Revit.Attributes.TransactionMode.Manual)] [Autodesk.Revit.Attributes.Regeneration(Autodesk.Revit.Attributes.RegenerationOption.Manual)] public class SwitchBackgroundCmd : ExternalCommand { public override void Execute() { var col = Application.BackgroundColor; Application.BackgroundColor = col.Red == 255 && col.Green == 255 && col.Blue == 255 ? new Color(32, 40, 49) : new Color(255, 255, 255); } }