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OnPageChange picture event

Declaration
Global handler:
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 ENTRY OnPageChange(IN INT _refId, IN INT _pageNr)
 ; script actions
 END OnPageChange

Special handler:
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  ENTRY XXX_OnPageChange(IN INT _pageNr)
 ;   script actions
 END XXX_OnPageChange
Parameters
_refIdParameter of the INT type (required for global handler).
XXXName of Reference variable connected to graphic object (without the character "_").
Description
The picture event is being generated by the displayer of the Browser type when the page is being changed. The value of the parameter _pageNr is the number of current page.
Example

The picture event handler of the displayer of Browser type with reference variable _browser displays new page number.

The Browser displays the structured variable _rec.

Special picture event handler:

 


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ENTRY browser_OnPageChange(IN  INT _pageNr)
   TEXT _msg
   _msg := "Page = " + %IToStr(_pageNr)
   MESSAGE _msg ON _FROM_HIP
 END browser_OnPageChange
 
 BEGIN
   REDIM _rec[10]
 END
 

 Global picture event handler:
  

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ENTRY OnPageChange(IN  INT _refId, IN  INT _pageNr)
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   IF _refId = _browser THEN 
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    ; script actions
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  ENDIF
 END OnPageChange 
 
 Info
titleRelated pages:
Picture event handler
Picture events