on Do
execute the onDo block only as many times as necessary.
execute the onDo block only as many times as necessary. if unnecessary, unCatch block will be executed.
execute the onDo block only as many times as necessary. if the version is different from the old version, Only times will be initialized 0.
execute the onDo block only as many times as necessary. if unnecessary, unCatch block will be executed. if the version is different from the old version, Only times will be initialized 0.
execute the onDo block only as many times as necessary. if unnecessary, unCatch block will be executed. if the version is different from the old version, Only times will be initialized 0. onLastDo block will be run only once after the last run time of the onDo. onBeforeDone block will be run only once before the onDone block will be run.
execute the onDo block only as many times as necessary with onLastDo and onBeforeDone. if unnecessary, unCatch block will be executed. if the version is different from the old version, Only times will be initialized 0.