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  4. Know when a files has been copied

Know when a files has been copied

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  • _ Offline
    _ Offline
    _Flaviu
    wrote on last edited by
    #1

    I have a MFC app which list some files (from an HDD folder) into a CListCtrl. Is there any windows message to know when a files was deleted/copied with other app (e.g. Windws Explorer) from that folder where I listed the files ? I need that message in order to handle it to refresh my file list ...

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    • _ _Flaviu

      I have a MFC app which list some files (from an HDD folder) into a CListCtrl. Is there any windows message to know when a files was deleted/copied with other app (e.g. Windws Explorer) from that folder where I listed the files ? I need that message in order to handle it to refresh my file list ...

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      L Offline
      Lost User
      wrote on last edited by
      #2

      FindFirstChangeNotificationA function (fileapi.h) | Microsoft Docs[^].

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      • _ _Flaviu

        I have a MFC app which list some files (from an HDD folder) into a CListCtrl. Is there any windows message to know when a files was deleted/copied with other app (e.g. Windws Explorer) from that folder where I listed the files ? I need that message in order to handle it to refresh my file list ...

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        V Offline
        Victor Nijegorodov
        wrote on last edited by
        #3

        Have a look at [ReadDirectoryChangesW function (winbase.h) | Microsoft Docs](https://docs.microsoft.com/en-us/windows/desktop/api/winbase/nf-winbase-readdirectorychangesw)

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        • _ _Flaviu

          I have a MFC app which list some files (from an HDD folder) into a CListCtrl. Is there any windows message to know when a files was deleted/copied with other app (e.g. Windws Explorer) from that folder where I listed the files ? I need that message in order to handle it to refresh my file list ...

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          D Offline
          Dave Kreskowiak
          wrote on last edited by
          #4

          There is nothing that will tell you when a file is "copied". There is really no such operation. All a copy is is a file being opened for read and another being opened for write. The bytes in the first file are read and then written to the second file. You cannot get a notification of the read but you can for the file being created. See the links the other have posted for that.

          Asking questions is a skill CodeProject Forum Guidelines Google: C# How to debug code Seriously, go read these articles.
          Dave Kreskowiak

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