vertical property
ViewportOffset
get
vertical
Implementation
ViewportOffset get vertical => _vertical;
set
vertical
(ViewportOffset value)
Implementation
set vertical(ViewportOffset value) {
if (_vertical == value) return;
if (attached) _vertical.removeListener(markNeedsLayout);
_vertical = value;
if (attached) _vertical.addListener(markNeedsLayout);
markNeedsLayout();
}