Rockwell-automation 2727-MRSDK MobileView Terminals Software Developme Manual de usuario descargar pdf (Pagina 28)

Publication 2727-UM004B-EN-P - February 2004

4-4 SDK (Software Development Kit) for MobileView Terminals

KtpSetContrast

KtpSwitchBacklight

KtpScreenSaverTimeOutMin

Table 4.6

Declaration:

Visual C: UINT8 KtpSetContrast(/*[in]*/UINT8 u8_Contrast);

Visual Basic: KtpSetContrast(ByVal contrast As Byte) As Byte

Description: This method sets the contrast of the LC display on the device.

Arguments 0 to 31, 0 = min, 31 = max

(MobileView: 0 to 63,

0 = min, 63 = max)

Table 4.7

Declaration:

Visual C: UINT8 KtpSwitchBacklight(/*[in]*/BacklightStat backLight);

Visual Basic: KtpSwitchBacklight(ByVal backlight As Integer) As Byte

Description: Turns on/off the backlight of the LC display on the device.

Arguments BACKLIGHT_ON, BACKLIGHT_OFF

Table 4.8

Declaration:

Visual C: UINT8 SetScreenSaverTimeOutMin(/*[in]*/UINT8 u8_ScreenSaverTO);

Visual Basic: KtpSetScreenSaverTimeOutMin(ByVal sreenSaverTO As Byte) As Byte

Description: Sets the timeout value of the screensaver in minutes.

Arguments 0-255, 0 = off, 255 = max

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Rockwell-automation 2727-MRSDK MobileView Terminals Software Developme Manual de usuario Pagina 28