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Indicates whether the physical hardware (e.g. scanner, digital camera) is capable of acquiring multiple images of the same page without changes to the physical registration of that page.
This is a read only capability.
Use this capability to enable or disable modes of operation where multiple image acquisitions of the page are required. Examples: preview mode, automated image analysis mode.
If supported, return TRUE if the device is capable of capturing the page image multiple times without refeeding the page or otherwise causing physical registration changes. Return FALSE otherwise.
Support Guidelines for Sources
A flat bed scanner that can retain the page on the platen and moves the scan bar past the page would return TRUE.
A sheet-fed scanner that physically moves the page past the scan bar would return FALSE.
A hand held scanner would return FALSE.
Type: TW_BOOL
Allowed Values: TRUE or FALSE
MSG_GET TW_ONEVALUE TW_ENUMERATION // 2.0 and higher
MSG_GETCURRENT TW_ONEVALUE
MSG_GETDEFAULT TW_ONEVALUE
MSG_SET Not Allowed MSG_SETCONSTRAINT Not Allowed MSG_RESET Not Allowed MSG_QUERYSUPPORT TW_ONEVALUE
None
Version 1.8
CAP_AUTOFEED CAP_CLEARPAGE CAP_FEEDERENABLED CAP_FEEDPAGE CAP_REWINDPAGE
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The TWAIN Toolkit is distributed as is. The developer and distributors of the TWAIN Toolkit expressly disclaim all implied, express or statutory warranties including, without limitation, the implied warranties of merchantability, noninfringement of third party rights and fitness for a particular purpose. Neither the developers nor the distributors will be liable for damages, whether direct, indirect, special, incidental, or consequential, as a result of the reproduction, modification, distribution or other use of the TWAIN Toolkit.
