Property Value
Remarks
Sets the WebMenu's OnShow client-side event handler. (example: OnShow="MyOnShowHandler();").
The event handler that you specify will be included when cswmShow is invoked (either manually by you or internally by WebMenu's MenuBar object).
One optional parameter can be passed to your client-side event handler: id. (example: OnShow="MyOnShowHandler(id);"). This is the Group's ID string of the root Group which is showing its nested Items/Groups.
Default: Empty String