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_CBlistDclick
Define a callback function on double-click event.

ObjList _CBlistDclick (
ObjList _list_
fun [ObjList u0 I S] u1 _callback_
u0 _user_
)
Parameters

_list_
any listbox
_callback_
callback function on double-click event (supplemental parameters are position and name of clicked element)
_user_
user parameter
Return value

same listbox