References ▼
#include "ltwia.h"
L_LTWIA_API L_INT EXT_FUNCTION L_WiaSelectDevice(hSession, pszDeviceId)
HWIASESSION hSession; |
handle to an existing WIA session |
L_TCHAR* pszDeviceId; |
pointer to string that contains device ID |
Selects the WIA device for the specified device ID.
Parameter |
Description |
hSession |
Handle to an existing WIA session. This handle is obtained by calling the L_WiaInitSession function. |
pszDeviceId |
Pointer to string that contains device ID. You can obtain this device ID by enumerating the available WIA devices on your machine. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
This feature is available in version 16 or higher.
Use this function when working with multiple WIA devices installed on a machine in order to select the WIA device without displaying the Select Device dialog. To do this, enumerate the WIA devices by calling the L_WiaEnumDevices function. Then use it to keep a list of all received device IDs. Then call L_WiaSelectDevice function using the device ID for the device to be selected.
Required DLLs and Libraries
LTWIA For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Functions: |
L_WiaSelectDeviceDlg, L_WiaGetSelectedDevice; L_WiaAcquire, L_WiaAcquireToFile, L_WiaAcquireSimple, L_WiaInitSession, L_WiaEndSession |
Topics: |
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For an example, refer to L_WiaEnumDevices.