Introduction - If you have any usage issues, please Google them yourself
The effectiveness of dynamic settings menu. First in the proceedings all the menu is set to expire, and then by calling the program to dynamically set the menu for the effective permissions for the menu control can be more stringent reference. For the U.S. study. Afferent menu position by the following rules: the first menu A, the second menu for B, the first sub-menu under the first menu for the AA, and so on.