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_CBtaskIconUClick
Define a callback function on unclick event.Parameters
ObjIcon _CBtaskIconUClick ( ObjIcon _taskicon_ fun [ObjIcon u0 I] u1 _callback_ u0 _user_ )
Return value
_taskicon_ any taskicon. _callback_ callback function on unclick event (supplemental parameter is button number). _user_ user parameter
same taskicon