Castle Game Engine: X3DNodes: Class TAbstractX3DGroupingNode

# Class TAbstractX3DGroupingNode
Description | Hierarchy | Fields | Methods | Properties
## Unit X3DNodes ## Declaration `type TAbstractX3DGroupingNode = class(TAbstractGroupingNode, IAbstractBoundedObject)` ## Description no description available, TAbstractGroupingNode description follows This is a VRML/X3D >= 2.0 grouping node. This will push/pop full TX3DGraphTraverseState in Before/AfterTraverse. It also propagates DirectionalLights in any child to all children in VRML2ActiceLights. To keep X3D hierarchy, this descends from X3DChildNode. This way TAbstractX3DGroupingNode and TStaticGroupNode inherit also from X3DChildNode. ## Hierarchy TPersistent TNonRefCountedInterfacedPersistent TX3DFileItem TX3DNode TAbstractNode TAbstractChildNode TAbstractGroupingNode TAbstractX3DGroupingNode ## Overview ### Methods
| `procedure CreateNode; override;`
### Properties
| `property EventAddChildren: TMFNodeEvent read FEventAddChildren;`
| `property EventRemoveChildren: TMFNodeEvent read FEventRemoveChildren;`
| `property FdChildren: TMFNode read FFdChildren;`
| `property FdBboxCenter: TSFVec3f read FFdBboxCenter;`
| `property FdBboxSize: TSFVec3f read FFdBboxSize;`
| `property FdRender: TSFBool read FFdRender;`
## Description ### Methods
| `procedure CreateNode; override;`
### Properties
| `property EventAddChildren: TMFNodeEvent read FEventAddChildren;`
| `property EventRemoveChildren: TMFNodeEvent read FEventRemoveChildren;`
| `property FdChildren: TMFNode read FFdChildren;`
| `property FdBboxCenter: TSFVec3f read FFdBboxCenter;`
| `property FdBboxSize: TSFVec3f read FFdBboxSize;`
| `property FdRender: TSFBool read FFdRender;`
This is an extension from Avalon, see [http://instant-reality.com/documentation/nodetype/ChildGroup/]. We simply ignore it for now.
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