MyGUI align table

From Ogre Wiki

HCenter		        /**< centre horizontally */
VCenter		        /**< centre vertically */
Center			/**< center in the dead center */

Left			/**< align from the left (and center vertically) */
Right			/**< align from the right (and center vertically) */
HStretch		/**< stretch horizontally proportionate to parent window (and center vertically) */

Top			/**< align from the top (and center horizontally) */
Bottom			/**< align from the bottom (and center horizontally) */
VStretch		/**< stretch vertically proportionate to parent window (and center horizontally) */

Stretch	                /**< stretch proportionate to parent window */
Default		        /**< default align (align from left and top) */

Flags also can be combined through | (pipe symbol), for example :

Left | VStretch	        /**< align from the left and stretch vertically proportionate to parent window */	
HStretch | Bottom	/**< stretch horizontally proportionate to parent window and align from the bottom */