function onSample()
{
var rootBox = scene.rootBox;
if (rootBox)
{
var styleVar = rootBox.getStyle("margin");
if (styleVar && !styleVar.isNull)
{
var rectValue = styleVar.rectValue;
if (rectValue)
{
var left = rectValue.left;
if (left && !left.isNull)
{
shell.print("left = " + left.intValue);
}
}
}
}
}