devices that precede the BlackBerry® Pearl™ 8100 Series do not include a trackball. Instead, they include a trackwheel on the right side of the device. The trackwheel is the primary control for user navigation.
- roll the trackwheel to move the cursor vertically
- roll the trackwheel
while pressing the Alt key to move the cursor horizontally
- click the trackwheel
to select objects or open the menu
- Familiarize yourself with both the trackwheel and trackball navigation models, and verify that your application works well for both.
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