scrollBy方法

void scrollBy(
  1. [dynamic options_OR_x,
  2. num? y]
)

实现

void scrollBy([options_OR_x, num? y]) {
  if (options_OR_x == null && y == null) {
    _scrollBy_1();
    return;
  }
  if ((options_OR_x is Map) && y == null) {
    var options_1 = convertDartToNative_Dictionary(options_OR_x);
    _scrollBy_2(options_1);
    return;
  }
  if (y != null && (options_OR_x is num)) {
    _scrollBy_3(options_OR_x, y);
    return;
  }
  throw new ArgumentError("Incorrect number or type of arguments");
}