Php/docs/compersisthelper.construct
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COMPersistHelper::__construct
(PHP 5, PHP 7)
COMPersistHelper::__construct — Construct a COMPersistHelper object
说明
public COMPersistHelper::__construct
([ variant|null $variant
] )
Constructs a persistence helper object, usually associated with a
variant
.
参数
variant
- A COM object which implements IDispatch. To be able to successfully call any of COMPersistHelper's methods, the object has to implement IPersistFile, IPersistStream and/or IPersistStreamInit. Passing
null
asvariant
is only useful if the object is to be loaded from a stream by calling COMPersistHelper::LoadFromStream().