References ▼
#include "ltwia.h"
L_LTWIA_API L_INT EXT_FUNCTION L_WiaEndVideoPreview(hSession)
HWIASESSION hSession; |
handle to an existing WIA session |
Shuts down the streaming video.
Parameter |
Description |
hSession |
Handle to an existing WIA session. This handle is obtained by calling the L_WiaInitSession function. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
This feature is available in version 16 or higher.
This function shuts down the streaming video. To start video preview again you need to call L_WiaStartVideoPreview again.
Call this function only after a successful call to L_WiaStartVideoPreview function.
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. |
Platforms
Since WIA does not support video devices in Windows Server 2003, Windows Vista, or late, then this function will only work with Windows XP or earlier operating systems.
Functions: |
L_WiaStartVideoPreview, L_WiaResizeVideoPreview, L_WiaIsVideoPreviewAvailable, L_WiaAcquireImageFromVideo, L_WiaInitSession, L_WiaEndSession. |
Topics: |
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For an example, refer to L_WiaIsVideoPreviewAvailable.