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Editorial Team
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Asked: 2026-05-31T16:40:31+00:00

Question: I need a DragAndDrop solution to download a file on drop in a

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Question:

I need a DragAndDrop solution to download a file on drop in a folder of Windows Explorer for C# & .NET 4.0. It should not be necessary to have the file on the computer. The file will be big enough that the drag-time won’t be enough to get the download done. I have found various questions, even accepted answers, but nothing that works. The very closest thing to something working is this demo project:

http://blogs.msdn.com/b/delay/archive/2009/11/16/creating-something-from-nothing-and-knowing-it-developer-friendly-virtual-file-implementation-for-net-refined.aspx

How to implement this code to download a file as part of the action of putting it to the drop place in Windows Explorer?

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1 Answer

  1. Editorial Team

    Okay, as Yahia said in the comments it’s not possible without a proper shell extension for the different versions of Windows and .NET. You might have luck with the link I posted, but for me it crashes the Explorer and the developer thinks it works fine.

    My honest opinion is with only .NET you can only do it with a FileSystemWatcher via copying special .temp-files, watching where they land, doing your task and replacing the .temp files when your task is done. Sad Windows.

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