OnItemChange picture event

Declaration
Global handler:
 ENTRY   OnItemChange(IN INT _refId, IN INT _row, IN INT _col)
 ; script actions
 END    OnItemChange

Special handler:
 ENTRY XXX_OnItemChange(IN INT _row, IN INT _col) 
 ; script actions
 END XXX_OnItemChange

Parameters
_refId Parameter of INT type (required for global handler).
XXX Name of Reference variable connected to graphic object (without the character "_").
_row, _col Row, column of the item that was changed.

Description
the picture event is being generated by the displayer of Browser type, if the user finished an item change. Item is defined by its row (the parameter _row) and its column (the parameter _col). The picture event can be used to check a value change.
Example
The picture event handle of the displayer of Browser type with the connected reference variable _browser displays the new value of changed item.

The Browser displays the structured variable _rec.


 
ENTRY browser_OnItemChange(IN  INT _row, IN  INT _col)
   IF _col = 1 THEN
     TEXT _msg
     _msg := "Value = " + %GetLocalItemValue(_rec\HBJ, _row, _col)
     MESSAGE _msg ON _FROM_HIP
   ENDIF
 END browser_OnItemChange
 
 BEGIN
   REDIM _rec[10]
 END

 
Global picture event handler:
 
ENTRY OnItemChange(IN  INT _refId, INT _row, INT _col)
  IF _refId = _browser THEN ; test that determines the Browser, where the picture event occurred  
   ; script actions  
  ENDIF
 END OnItemChange

Related pages:

Picture event handler
Picture events

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