Class TX3DExternalPrototype
Unit
X3DNodes
Declaration
type TX3DExternalPrototype = class(TX3DPrototypeBase)
Description
no description available, TX3DPrototypeBase description follows no description available, TX3DFileItem description follows
Base class for any item within VRML/X3D file: a node, a field, a route, a prototype etc. We need a common base class for all such things to store PositionInParent.
About ancestry: TX3DFieldOrEvent make use of Assign mechanism and so need to descend from TPersistent. TX3DNode make use of interfaces and so must descend from something like TNonRefCountedInterfacedXxx. These are the only reasons, for now, why this descends from TNonRefCountedInterfacedPersistent.
Hierarchy
Overview
Methods
Properties
Description
Methods
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constructor Create; |
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destructor Destroy; override; |
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procedure ParseXML(Element: TDOMElement; Reader: TX3DReaderNames); override; |
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procedure SaveToStream(Writer: TX3DWriter); override; |
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procedure LoadReferenced; |
Loads URL, until the first success. Sets either ReferencedClass to non-nil (if it's built-in node) or ReferencedPrototype (if prototype expansion found in external file).
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procedure UnloadReferenced; |
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Properties
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property ReferencedPrototype: TX3DPrototype read FReferencedPrototype; |
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