Event fired before a popover is shown. Return false in order to cancel action. Function takes arguments evt and ui. Use ui.element to get the element the popover will show for. Use ui.content to get or set the content to be shown as a string. Use ui.popover to get the popover element showing. Use ui.owner to get reference to the igPopover widget
Target Platforms: Windows 8.1, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
