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Elements can be added and removed using the
setElement() and removeElement() methods. The setElement() accepts as arguments, an element
and the row and column position. Empty cells are rendered as empty regions. The class has a variable
spacing that specifies the distance between two adjacent cells both horizontally and vertically.
In Figure 13-5 a GridLayout with four columns and four rows has been created. Each control completely
fits the available area and resizes itself when the view is resized.
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Figure 13 - 5
import ui.core.Layout;
import ui.controls.Button;
import ui.flash9.StageView;
import ui.containers.GridLayout;
class Main
{
public static function main()
{
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var view = new StageView();
var t = 4;
var grid = new GridLayout(t, t);
grid.hLayout = grid.vLayout = Margins(10);
grid.spacing = 5.0;
view.addChild(grid);
for(r in 0...t)
for(c in 0...t)
{
var b = new Button(Std.string(c+r*t+1));
b.


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