OnItemExpand picture event

Declaration
Global handler:
 ENTRY OnItemExpand(IN INT _refId, IN INT _itemHandle, IN BOOL _bExpand)
 ; script actions
 END OnItemExpand

Special handler:
 ENTRY XXX_OnItemExpand(IN INT _itemHandle, IN BOOL _bExpand)
 ;   script actions    
 END XXX_OnItemExpand

Parameters
_refId Parameter if INT type (required for global handler).
_itemHandle Item identifier.
_bExpand Attribute "expand" or "collapse" of the item.
XXX Name of Reference variable connected to graphic object (without the character "_").

Description
The picture event is being generated when given item is expanding (the parameter _bExpand=@TRUE) or collapsing in the displayer of Tree view type. The identifier _itemHandle contains the value, that was assigned to the item when it was added to the tree view using the function %HI_AddTreeItem.

Related pages:

Picture event handler
Picture events

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