L_WiaSelectDevice

Summary

Selects the WIA device for the specified device ID.

Syntax

#include "ltwia.h"

L_LTWIA_API L_INT EXT_FUNCTION L_WiaSelectDevice(hSession, pszDeviceId)

Parameters

HWIASESSION hSession

Handle to an existing WIA session. This handle is obtained by calling the L_WiaInitSession function.

L_TCHAR* pszDeviceId

Pointer to string that contains device ID.You can obtain this device ID by enumerating the available WIA devices on your machine.

Returns

Value	Meaning
SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

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.

See Also

Functions

• L_WiaSelectDeviceDlg
• L_WiaGetSelectedDevice
• L_WiaAcquire
• L_WiaAcquireToFile
• L_WiaAcquireSimple
• L_WiaInitSession
• L_WiaEndSession

Topics

• Managing WIA Sources
• WIA Functionality: Property Functions

Example

For an example, refer to L_WiaEnumDevices.