updateScrollController method
Implementation
void updateScrollController(int col) {
if (_changing || picker.adapter.isLinkage == false) return;
_changing = true;
for (int j = 0; j < picker.selecteds.length; j++) {
if (j != col) {
if (scrollController[j].hasClients &&
scrollController[j].position.hasContentDimensions) {
scrollController[j].position.notifyListeners();
}
}
}
_changing = false;
}