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_CBcompCheckStateChanged
Sets a callback corresponding to a change occuring in button state.Parameters
CompCheck _CBcompCheckStateChanged ( CompCheck _check_ fun [CompCheck u0 I] u1 _callback_ u0 _user_ )
Return value
_check_ any CompCheck _callback_ callback function on object state change (supplemental parameter is new button state)
state is one of the values :
Value Meaning CHK_CHECKED button is checked CHK_UNCHECKED button is unchecked _user_ user parameter
same CompCheck