Help Version 19.0.2017.10.27
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#include "ltwrappr.h"
virtual L_INT LWia::EnumDevicesCallBack(pDeviceID)
pLWIADEVICEID pDeviceID; |
pointer to a structure that contains information about found device |
Called for each WIA device found connected to the user machine. And it will be enabled only if you enabled the callback functions by calling LBase::EnableCallBack (TRUE).
Parameter |
Description |
pDeviceID |
Pointer to a structure that contains information about each device found on the user machine. |
SUCCESS |
The function was successful. |
ERROR_USER_ABORT |
The callback wants to abort the device enumeration process. |
< 1 |
An error occurred. Refer to Return Codes. |
This feature is available in LEADTOOLS version 16 or higher.
Called for each WIA device found connected to the user machine. Provides information about the found WIA device like Device ID, Device Name and Device Description.
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::EnumDevices, LWia::InitSession, LWia::EndSession, Class Members |
Topics: |
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For an example, refer to LWia::EnumDevices.