BarItemEnumeratorCallback typedef
BarItemEnumeratorCallback =
void Function(int barBundleIndex, ProgressBarBundle barBundle, int barGroupIndex, ProgressBarItem barItem)
遍历每个柱状数据的回调
Implementation
typedef BarItemEnumeratorCallback = void Function(int barBundleIndex,
ProgressBarBundle barBundle, int barGroupIndex, ProgressBarItem barItem);