L_WiaResizeVideoPreview

#include "ltwia.h"

L_LTWIA_API L_INT EXT_FUNCTION L_WiaResizeVideoPreview(hSession, bStretchToFitParent)

HWIASESSION hSession;	/* handle to an existing WIA session */
L_BOOL bStretchToFitParent;	/* specifies whether the video display is stretched to fit the parent window */

Resizes the video playback to the largest supported resolution that fits inside the parent window.

Parameter	Description
hSession	Handle to an existing WIA session. This handle is obtained by calling the L_WiaInitSession function.
bStretchToFitParent	Specifies whether the video display is stretched to fit the parent window. Possible values are:
	Value	Meaning
	TRUE	Stretch the video preview to fit the parent window.
	FALSE	Video is displayed in a supported resolution smaller than the parent window.

Returns

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

Comments

This feature is available in version 16 or higher.

This function will resize the video playback to the largest supported resolution that fits inside the parent window. Call this method whenever the parent window is moved or resized.

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 later, then this function will only work with Windows XP or earlier operating systems.

Functions:	L_WiaStartVideoPreview, L_WiaEndVideoPreview, L_WiaAcquireImageFromVideo, L_WiaIsVideoPreviewAvailable, L_WiaInitSession, L_WiaEndSession.
Topics:	Working with Video Devices
	WIA Functionality: Property Functions