SoExtSelection.OnPreFilter Event

SoExtSelectionOnPreFilter Event

The ExtSelection will traverse each node of scene graph and test intersection against each nodes.

Namespace: OIV.Inventor.Nodes
Assembly: OIV.Inventor (in OIV.Inventor.dll) Version: 2024.1.1.0 (2024.1.1)

Syntax

public event EventHandler<SoExtSelectionPreFilterEventArg> OnPreFilter

Public Event OnPreFilter As EventHandler(Of SoExtSelectionPreFilterEventArg)

public:
 event EventHandler<SoExtSelectionPreFilterEventArg>^ OnPreFilter {
	void add (EventHandler<SoExtSelectionPreFilterEventArg>^ value);
	void remove (EventHandler<SoExtSelectionPreFilterEventArg>^ value);
}

member OnPreFilter : IEvent<EventHandler<SoExtSelectionPreFilterEventArg>,
    SoExtSelectionPreFilterEventArg>

Value

Type: SystemEventHandlerSoExtSelectionPreFilterEventArg

Remarks

The event is called before doing intersection test and can be used to skip a particular node to avoid doing costly computation. To skip a node, call the method OIV.Inventor.Nodes.SoExtSelection.PreFilterEventArg.SkipNode() inside your callback.

Reference

SoExtSelection Class

OIV.Inventor.Nodes Namespace