Overlay.setMeasureOverlay

void setMeasureOverlay(gtk.widget.Widget widget, bool measure)

Sets whether widget is included in the measured size of overlay.

The overlay will request the size of the largest child that has this property set to true. Children who are not included may be drawn outside of overlay's allocation if they are too large.

Parameters

`widget`	an overlay child of [gtk.overlay.Overlay]
`measure`	whether the child should be measured