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The default OS design you build using the IP Phone design template (for example, when following the instructions in How to Create a Default IP Phone on a CEPC or How to Create a Default IP Phone on an Emulator) sets the SYSGEN_CURSOR variable.
As a result, the OS design supports mouse input. As a side effect, a mouse cursor is sometimes displayed on screen. This is helpful if your device uses a mouse. However, if your device uses a stylus or touch-sensitive screen, you may not want the cursor to display.
To stop the display of the mouse cursor, be sure the SYSGEN_CURSOR variable is not set. Stylus-enabled and touch-sensitive screens do not require the support provided by this variable.
See Also
Customizing the TUI Application | Mouse OS Design Development
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