Magtek IMAGESAFE Spezifikationen PDF herunterladen (Seite 15)

SECTION 3. IMAGESAFE API

MTMICRGetDevice

MTMICRGetDevice function returns the device name of the device present in the system.

ULONG MTMICRGetDevice (

DWORD dwDeviceContext,

char *pcDevName

);

Parameters

This is the device number of the device. This must be set to 1 to get the first device in the system. Increment it by 1 to get

the next device name.

dwDeviceContext

Pointer to the buffer where the device name will be stored.

pcDevName

Return Values

MICR_ST_OK

MICR_ST_DEVICE_NOT_FOUND

MICR_ST_BAD_PARAMETER

Remarks

If the function succeeds, the return value is MICR_ST_OK. The device name of the device is filled in the buffer pointed by the

parameter pcDevName.

If there is no device present or there is no device that is associated with the given dwDeviceContext, then the function fails and

MICR_ST_DEVICE_NOT_FOUND is returned.

If there is no memory allocated for the pcDevName parameter, then MICR_ST_BAD_PARAMETER is returned.

Example

#define DEVICE_NAME_LEN 128

int i=1;

DWORD dwResult;

char pcDevName[DEVICE_NAME_LEN]="";

while ((dwResult = MTMICRGetDevice(i,(char*) pcDevName)) != MICR_ST_DEVICE_NOT_FOUND)

{

// Device found, increment the device number

i++;

}

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Magtek IMAGESAFE Spezifikationen Seite 15