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  1. Qt
  2. QTBUG-63156

Cannot create global QFileSystemWatcher object

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Not Evaluated
    • Resolution: Out of scope
    • Affects Version/s: 5.9.1
    • Fix Version/s: None
    • Labels:
      None
    • Environment:
      Windows 10 + MSVC 2015/2017 64

      Description

      Following demo code works fine with Qt 5.6.2, but causes crash with Qt 5.9.1 on Windows. 

      And it's fine to create QFileSystemWatcher  object as a local variable. 

       #include <QApplication>
      #include <QFileSystemWatcher>
      
      
      QFileSystemWatcher watcher;
      
      int main(int argc, char* argv[])
      {
          QApplication app(argc, argv);
      
          watcher.addPath("C:/QtTest");
      
          QStringList directoryList = watcher.directories();
          Q_FOREACH(QString directory, directoryList)
                  qDebug() << "Directory name" << directory <<"\n";
      
          QObject::connect(&watcher, &QFileSystemWatcher::directoryChanged, [] (QString const &) {
              QMessageBox::information(nullptr, "Directory Modified", "Your Directory is modified");
          });
      
          return app.exec();
      }
      
      

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            • Assignee:
              thiago Thiago Macieira
              Reporter:
              cong Cong Ma
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              • Created:
                Updated:
                Resolved:

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