how to implement page control in blackberry

since i am developing a project on Exchange trade fund and in its first page layout we are developing labels and we want that on clicking on that labels page related to that la开发者_Python百科bel may appear on another vertical field manager on the same screen and on that very screen i want page control so that on tracking wheel we may obtain the next page following that page

thanking you

You can capture trackwheel (e.g. trackwheelClick, trackwheelRoll) events and update the textual contents of the page appropriately.

Just implement these functions as a part of your mainscreen class.