OnItemDoubleClick picture event



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

Special handler:
 ENTRY XXX_OnItemDoubleClick[(IN INT _row, IN INT _col)]
 ; script actions
  END XXX_OnItemDoubleClick
Parameters


_refIdParameter if INT type (required for global handler).
XXXName of Reference variable connected to graphic object (without the character "_").
_rowIf the displayer of Browser type generates the picture event, the parameter contains the row, above which the picture event was executed. Otherwise it contains invalid value. Optional parameter.
_colIf the displayer of Browser type generates the picture event, the parameter contains the column, above which the picture event was executed. Otherwise it contains invalid value. Optional parameter.

Warning: Number of column in parameter _col represents the sequential number based on how it is displayed, not how it is defined in the structure definition.


Due to backward compatiblity

parameter _row represents the line number (from 1) on the current page (i.e. it does not take into account any possible previous pages)

parameter _col represents the column order (from left) as it is displayed (i.e. it does not represent the column index in the structure)



Description
The picture event is being generated when the user double-clicks given Windows control of List box type or displayer of  Browser type.
Example
Special picture event handler:
 
; picture event handler: Double-clicking on the list box with reference variable List assigned
 
ENTRY List_OnItemDoubleClick 
  ; script actions
 END List_OnItemDoubleClick
 
Global picture event handler:
 
; picture events handler: Double-clicking on list box or  
 ; displayer of Browser that has no special picture event handler defined
 
 ENTRY OnItemDoubleClick(IN  INT _refId)
 ; _refId - value of Reference local variable assigned to graphic object
   IF _refId = _List THEN ; test that determines the graphic object the user clicked on
    ; script actions
 
   ENDIF
 END OnItemDoubleClick
Note
If both the handlers are defined in picture script, the global handler never will be called for _refId=List, because a special handler is already defined.
For displayer of Browser type we recommend to use OnBrowserClick, which replaces and extends the functionality of OnItemDoubleClick.

Related pages:

Picture event handler
Picture events

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