Initial version of files for OCC developers

diff --git a/src/VISUGUI/VisuGUI.cxx b/src/VISUGUI/VisuGUI.cxx
index 12229e66b38cfedba19bb4a8bc3eda2c252b0645..ee34ad50fa25d6324e32c722229ac124a8b979c6 100644 (file)
--- a/src/VISUGUI/VisuGUI.cxx
+++ b/src/VISUGUI/VisuGUI.cxx
@@ -3974,6 +3974,8 @@ VISU_Actor* VisuGUI::UpdateViewer(VISU::Prs3d_i* thePrs, bool theDispOnly){
   VISU_Actor* aResActor = NULL;
   VISU::Prs3d_i* aSrcAddr = thePrs;
   for(anActColl->InitTraversal(); (anActor = anActColl->GetNextActor()) != NULL; ){
+    if(!SALOME_Actor::SafeDownCast(anActor))
+      continue;
     if(anActor->IsA("VISU_Actor")){ 
       anVISUActor = VISU_Actor::SafeDownCast(anActor);
       VISU::Prs3d_i* aPrs = anVISUActor->GetPrs3d();