Introduction - If you have any usage issues, please Google them yourself
Programming. Requirements: run early in the form on the left list box to generate 10 small to large between 10 and 100 arranged in a random integer, the corresponding dynamic menu as shown below If you select "Transfer" menu below the "right "command, then the number 10 on the left list box to move to the right list box, and descending order then open the" transfer "menu, only the" left "command available.