| SoExtSelectionOnPreFilter Event |
The ExtSelection will traverse and test selection for each node of the scene graph.
Namespace: OIV.Inventor.NodesAssembly: OIV.Inventor (in OIV.Inventor.dll) Version: 9.9.13.0 (9.9.13.0)
Syntaxpublic event SbEventHandler<SoExtSelectionPreFilterEventArg> OnPreFilter
Public Event OnPreFilter As SbEventHandler(Of SoExtSelectionPreFilterEventArg)
public:
event SbEventHandler<SoExtSelectionPreFilterEventArg>^ OnPreFilter {
void add (SbEventHandler<SoExtSelectionPreFilterEventArg>^ value);
void remove (SbEventHandler<SoExtSelectionPreFilterEventArg>^ value);
}member OnPreFilter : IEvent<SbEventHandler<SoExtSelectionPreFilterEventArg>,
SoExtSelectionPreFilterEventArg>
Value
Type:
OIV.InventorSbEventHandlerSoExtSelectionPreFilterEventArgRemarks The PreFilter event is raised for each node, before doing the intersection test, and can be used to skip a particular node to avoid doing costly computation. To skip a node, call the method #PreFilterEventArg.discardNode() inside your callback.
See Also 
