DataCard SR300 Manual do Utilizador descarregar pdf (Página 10)

SR200 & SR300 Printer SDK Guide

Page 6

Scan Printer Functions

The API includes the following

♦ Scan Function

♦ Printer Check Function

Scan Function

No. Function Name Explanation

1 int CXCMD_ScanPrinter

(int *piSlot, int *piID)

Search for the first printer, and return the Slot

number and ID. The result is set at piSlot and piID.

2 int CXCMD_ScanPrinterNext

(int *piSlot, int *piID)

Search for additional SR200/SR300 printers, after

the one specified by piSlot and piID. The result is

set at piSlot and piID.

You do not need to retry these commands, even if they return a positive value. A

valid value is set at piSlot and piID even if they return a positive value. See Return

Codes from Functions for return values.

Printer Check Function

No. Function Name Explanation

1 BOOL

CXCMD_CheckIfConnected

(int *piSlot, int *piID)

Check whether the printer specified by the Slot

number and ID is connected or not. It returns TRUE

if it is connected and it returns FALSE if it is not.

This is the safest way to confirm whether the printer

is connected or not.

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DataCard SR300 Manual do Utilizador Página 10