External |
The external service Id which permits registration of an callback handler for temporary graphics objects managed by [!:Autodesk::Revit::DB::TemporaryGraphicsManager] . To use this service, developers implement a server class that derives from [!:Autodesk::Revit::UI::ITemporaryGraphicsHandler] .
Namespace: Autodesk.Revit.DB.ExternalService
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)

Property Value
ExternalServiceId