Callbacks in A Sentence

    1

    After the first season, the episode format was changed so now the dancers who make it to callbacks in Las Vegas dance for the judges and the top 20 dancers are selected right then and there.

    2

    Scrollbar Callbacks There are two callback lists provided by the Scrollbar widget.

    3

    This routine calls the widget 's XmNvalueChangedCallback and verification callbacks, either XmNmodifyVerifyCallback or XmNmodifyVerifyCallbackWcs, or both.

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    Topics covered include theory of signals and callbacks, data types, signal handlers, and widgets.