LWia::ResizeVideoPreview

#include "ltwrappr.h"

virtual L_INT LWia::ResizeVideoPreview(bStretchToFitParent)

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. You can specify the parent window or control by calling the LScanner::SetWindow function.

Parameter	Description
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 LEADTOOLS 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.

See Also

Functions:	LWia::StartVideoPreview, LWia::EndVideoPreview, LWia::AcquireImageFromVideo, LWia::IsVideoPreviewAvailable, LWia::InitSession, LWia::EndSession, Class Members
Topics:	Working with Video Devices
	WIA Functionality: Property Functions

Example

For an example, refer to LWia::IsVideoPreviewAvailable.