PT-90 Mobile Computer SDK Programming Manual
4
SYSAPIAX.DLL
In PT-90 SDK, we provide SYSAPIAX.DLL which includes several functions to allow
programmer to control device drivers and system functions. Programmer can use WINCE develop
tool like
Visual Studio 2005
to develop application programs. Descriptions of all these functions
are given below.
– Query current volume setting.
– Gets main battery status.
– Turn ON or OFF screen backlight.
Display_QueryBacklightIntensity
– Gets screen backlight status.
– Turn ON or OFF the power of LCD.
– Adjusts screen back-light brightness.
– ENABLE or DISABLE touch panel.
– ENABLE or DISABLE Power button.
– Get the current keypad input MODE.
– Sends a virtual key to key buffer.
– Change keypad input MODE.
– Gets keypad backlight LED status.
– Turn ON or OFF good read LED.
– Turn ON or OFF keypad backlight LED.
– Query keypad backlight LED brightness.