VerticalDirection enum Null safety
A direction in which boxes flow vertically.
This is used by the flex algorithm (e.g. Column) to decide in which direction to draw boxes.
- TextDirection, which controls the same thing but horizontally.
- down → const VerticalDirection
Boxes should start at the top and be stacked vertically towards the bottom.
The "start" is at the top, the "end" is at the bottom.
- up → const VerticalDirection
Boxes should start at the bottom and be stacked vertically towards the top.
The "start" is at the bottom, the "end" is at the top.
→ const List<
A constant List of the values in this enum, in order of their declaration.