Technically, users learned to use a tool icon (such as a toolbar) in
the following ways:
- A tool icon provides the function link that can be activated by
the left mouse key.
- When the left mouse key is pressed, the cursor location is
detected.
- If the cursor is located on the icon, the software function is
executed. In addition to the basic usage of a tool icon, the
applications of a mouse wheel are added as follows:
- A tool icon provides the function link that can be activated by
mouse wheel control.
- When a wheel scroll signal is received, the cursor location is
detected.
- If the cursor is located on the icon, the software function is
executed.