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#1 Posted : Tuesday, December 4, 2012 9:35:12 PM(UTC)

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We received the error code -563 when scanned through WIA driver by calling L_TwainAcquire() using Leadtools version 14.5.
But when using Leadtools version 17.5, error -90 is returned for the same scenario ,TWAIN driver and device.
Please let us know when -563 error code is returned by L_TwainAcquire().

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#2 Posted : Wednesday, December 5, 2012 10:00:17 PM(UTC)


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Both of these codes mean ERROR_TWAIN_CANCELED. In LEADTOOLS v14.5, the error code of this error is -563. In LEADTOOLS v17.5, the error code is -90.
You can find this information from "Return Codes" help topic in our C DLL Twain help file. You can find this help file under the name of "Lttwndlln.chm" in the following folder:
[LEADTOOLS 14.5 or LEADTOOLS 17.5 Folder]\Help
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