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  4. QFileSystemWatcher signal connection give weird error.
Forum Update on Monday, May 27th 2025

QFileSystemWatcher signal connection give weird error.

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qfilesystemwatc
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  • D Offline
    D Offline
    Dariusz
    wrote on last edited by
    #1

    So I try to connect my watcher to function, the base class is on QObject so I'm using lambda but I get weird error...

    connect(mProjectWatcher, &QFileSystemWatcher::fileChanged, [this](const QString &path) { monitoredFileChanged(path); });
    
    error C2664: 'int connect(SOCKET,const sockaddr *,int)': cannot convert argument 1 from 'QFileSystemWatcher *' to 'SOCKET'
    note: There is no context in which this conversion is possible
    

    What do I do with this o.O ?

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    • Christian EhrlicherC Offline
      Christian EhrlicherC Offline
      Christian Ehrlicher
      Lifetime Qt Champion
      wrote on last edited by
      #2

      @dariusz said in QFileSystemWatcher signal connection give weird error.:

      What do I do with this o.O ?

      Don't try to call the WinAPI function 'connect' I would guess...

      --> QObject::connect(...)

      Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
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      • D Offline
        D Offline
        Dariusz
        wrote on last edited by
        #3

        Pricelesss.... Thanks!

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