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.

This is also used to disambiguate start and end values (e.g. MainAxisAlignment.start or CrossAxisAlignment.end).

See also:


down 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.

const VerticalDirection(1)
up 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 VerticalDirection(0)
values List<VerticalDirection>

A constant List of the values in this enum, in order of their declaration.

const List<VerticalDirection>


index int

The integer index of this enum.

hashCode int
The hash code for this object. [...]
read-only, inherited
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited


noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
toString() String
Returns a string representation of this object.


operator ==(other) bool
The equality operator. [...]