progressPercent method
if it has been started, haw far is it in percent 0->100 None if not yet started
Implementation
int? progressPercent() {
var tmp0 = 0;
tmp0 = _box.borrow();
final tmp1 = _api._taskProgressPercent(
tmp0,
);
final tmp3 = tmp1.arg0;
final tmp4 = tmp1.arg1;
if (tmp3 == 0) {
return null;
}
final tmp2 = tmp4;
return tmp2;
}