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L_WiaResizeVideoPreview

Summary

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

Syntax

#include "ltwia.h"

L_LTWIA_API L_INT EXT_FUNCTION L_WiaResizeVideoPreview(hSession, bStretchToFitParent)

Parameters

HWIASESSION hSession

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

L_BOOL 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

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.

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

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.

See Also

Functions

Topics

Example

For an example, refer to L_WiaIsVideoPreviewAvailable.

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.