References ▼
#include "ltwrappr.h"
virtual L_INT LWia::SelectDevice(pszDeviceId)
L_TCHAR * pszDeviceId; |
pointer to string that contains device ID |
Selects the WIA device for the specified device ID.
Parameter |
Description |
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 LEADTOOLS 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 LWia::EnumDevices function. Then use it to keep a list of all received device IDs. Then call LWia::SelectDevice 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: |
LWia::SelectDeviceDlg, LWia::GetSelectedDevice; LWia::Acquire, LWia::AcquireToFile, LWia::AcquireSimple, LWia::InitSession, LWia::EndSession, Class Members |
Topics: |
|
|
For an example, refer to LWia::EnumDevices.