A Stack is a container that arranges what you put in it. Drop four cards into a stack and they line up with even gaps; drop in a fifth, take one out or give one a longer label, and the rest make room. A row of services never needs nudging into line again.
It sits in the palette's Build category, after Frame, in Diagram and Illustrate mode. A new stack is an empty dashed outline: drag things into it.
What it holds
A stack holds the elements whose centre is inside it, the same rule as a frame and a boundary. Dragging the stack carries them, and it paints behind them.
The order is position: left to right in a row, top to bottom in a column, and reading order in a grid. To reorder, drag a child past its neighbour and let go; it takes that slot.
The stack hugs its contents: it resizes to fit them plus its padding. An empty stack keeps its size, so it stays a target to drop into.
Arranging it
Right-click and open the Stack section:
- Row, Column or Grid. A grid takes a number of Columns, from 2 to 6.
- Gap: the space between children, 0 to 64 px.
- Padding: the space inside the edge, 0 to 64 px.
- Align: where children sit across the flow, at the Start, Centre or End.
Type a title (double-click) and the stack keeps a band for it above its children.
Children glide to their new places when the stack reflows. Stacks nest: put a column stack inside a row stack for a grid of lists.
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