Allows the element to expand, fulfilling empty spaces inside its container.
It is a non inheritable attribute, but a container can inherits its parents EXPAND attribute. So although EXPAND is non inheritable, it is inheritable for containers. So if you set it at a container it will not affect its children, but a child that is a container will get the same value if not defined at the child itself.
The expansion is done equally for all expandable elements in the same container.
See the Layout Guide for more details on sizes.
"YES" (both directions), "HORIZONTAL", "VERTICAL" or "NO".
Default: "NO". For containers the default is "YES".
All elements, except menus.