| A. | When possible, use a single timer for multiple duties. This is easy when two events occur at the same intervalwhy bother creating a second timer? When two events occur at different intervals, you can use some decision skills along with static variables (discussed in Hour 11) to share Timer events. |
| A. | You can assign a unique picture to a node in a Tree View control when the node is selected. You can also display an image in the tab of a tab page in a Tab control. There are many uses, and as you learn more about advanced controls, you'll see additional opportunities for using images from an Image List. |