Drag and Drop failed error when drag'n'dropping 2+ archives

Luca L

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Dec 5, 2021, 4:34:09 AM12/5/21

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I've found some problems when drag'n'dropping two different archives, because first one was so big that I launched another BandiZip instance to process a second archive in the meanwhile... In this case I noticed it often happens error: "Drag and Drop failed (unspecified error)".

In short it seems BandiZip can't process with d'n'd two or more archives at the same time. Can this be fixed?

Luca L

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Dec 5, 2021, 4:54:07 AM12/5/21

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Just to be clear: I was drag'n'dropping to desktop some files from an open archive, and noticed you can't use d'n'd from another instance of BandiZip before first BandiZip instance d'n'd has finished.

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Luca L

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Dec 5, 2021, 6:13:06 AM12/5/21

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It seems to happen only when 'Use Fast Drag and Drop for large file extraction' is disabled.

Doesn't BZ use different temp-subfolders when extracting files for Drag and Drop???

KH Park

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Dec 8, 2021, 2:03:06 AM12/8/21

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Yes, it's a very weird error code.

The error code is 0x80004005 (HRESULT E_FAIL), and as far as I know, MS does not document it.

The error is returned by OS. Every archiver has the same problem because drag and drop is processed by OS.

However, if you use Winrar you can get the message "Cannot start a new drag and drop operation while previous operation is active" and it describes OS's limitations.

Best Regards,

Park, KH

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Luca L

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Dec 8, 2021, 3:36:39 AM12/8/21

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So, using different subdirs in %TEMP% when using d'n'd on different archives won't help?

KH Park

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Dec 8, 2021, 3:51:41 AM12/8/21

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I think Drag&drop was not designed for Archivers.

Every processing of Drag&Drop is controlled by OS, and Archivers cannot even specify a temp folder.

(Of course, in this case, specifying a temp folder does not help the problem. It's just OS's limitations)

Best Regards,

Park, KH

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Luca L

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Dec 8, 2021, 5:30:47 AM12/8/21

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I see. Thanks for explaining this.

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