TWAIN ActiveX/Plug-in Windows/Mac HTTP Control/SDK

AcquireImage Method

Description

Displays the source's built-in interface to acquire image.

Support information

ActiveX Edition	Plug-in Edition	Mac Edition
Since V1.0	Since V4.0	Since V6.4

Syntax

Boolean ObjectName. AcquireImage()

Parameters

None.

Return value

Boolean.

TRUE indicates success. FALSE indicates failure.

When an error occurs and IfThrowException property is TRUE, an exception will be thrown.

When FALSE is returned or an exception is thrown, check ErrorCode property and ErrorString property for error information.

Remarks

This method does the same thing as EnableSource(). The purpose of providing this method is to enable user to handle Twain-compliant image acquisition device without knowing the terms used in Twain specification.

IMPORTANT: The value of this method is returned when the scanning starts.