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 of the 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 the 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 %HI_AddTreeItem function.
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