Use these functions to control the backlight for the screen and keypad on the computer.
ITCSetKeyboardLight is supported by all computers with a backlit keypad.
Screen-related functions are supported by all computers with a backlit LCD screen. Light control functions that return an HRESULT will return ITC_ERROR_FUNCTION_NOT_SUPPORTED when executed on computers without a backlit screen.
See your computer user manual for more information on its backlight capability.
ITCSetKeyboardLight | Turns on the keypad backlight. |
ITCGetMaxScreenBrightness | Returns the maximum brightness level. |
ITCGetScreenBrightness | Returns the brightness level associated with the current power source. |
ITCSetScreenBrightness | Sets the brightness level to be associated with the current power source. |
ITCGetScreenBrightnessAcDc | Returns the brightness level associated with the specified power source. |
ITCSetScreenBrightnessAcDc | Sets the brightness level to be associated with a specified power source. |
ITCGetScreenLight | Returns the current state of the backlight. |
ITCSetScreenLight | Turns the backlight on or off. |
ITCGetScreenLightEnableOnUserAction | Returns the current state of the auto-sense light-on feature. |
ITCSetScreenLightEnableOnUserAction | Enables or disables the auto-sense light-on feature. |
ITCGetScreenLightEnableRestoreOnPowerUp | Returns the enabled/disabled state of LCD light restore-on-power-up. |
ITCSetScreenLightEnableRestoreOnPowerUp | Sets the enabled/disabled state of LCD light restore-on-power-up. |
ITCGetScreenLightTimeout | Returns the backlight inactivity timeout. |
ITCSetScreenLightTimeout | Sets the backlight inactivity timeout. |
Header File: ITC50.H
Library: ITC50.LIB