--- vtk-5.4.2.orig/Common/vtkCommand.cxx
+++ vtk-5.4.2/Common/vtkCommand.cxx
@@ -48,6 +48,8 @@
   "MouseMoveEvent",
   "MouseWheelForwardEvent",
   "MouseWheelBackwardEvent",
+  "ActiveCameraEvent",
+  "CreateCameraEvent",
   "ResetCameraEvent",
   "ResetCameraClippingRangeEvent",
   "ModifiedEvent",