Input/Output and Networking¶
Classes providing file input and output along with directory and network handling.
These Qt Core classes are used to handle input and output to and from external devices, processes, files etc. as well as manipulating files and directories.
The QBuffer class provides a QIODevice interface for a QByteArray.
The QDir class provides access to directory structures and their contents.
The QFile class provides an interface for reading from and writing to files.
The QFileDevice class provides an interface for reading from and writing to open files.
The QFileInfo class provides system-independent file information.
The QFileSystemWatcher class provides an interface for monitoring files and directories for modifications.
The QIODevice class is the base interface class of all I/O devices in Qt.
The QProcessEnvironment class holds the environment variables that can be passed to a program.
The QProcess class is used to start external programs and to communicate with them.
The QResource class provides an interface for reading directly from resources.
The QSaveFile class provides an interface for safely writing to files.
The QSettings class provides persistent platform-independent application settings.
Provides information about currently mounted storage and drives.
The QTemporaryDir class creates a unique directory for temporary use.
The QTemporaryFile class is an I/O device that operates on temporary files.
The QUrl class provides a convenient interface for working with URLs.
The QUrlQuery class provides a way to manipulate a key-value pairs in a URL’s query.
The QSocketNotifier class provides support for monitoring activity on a file descriptor.
The QDataStream class provides serialization of binary data to a QIODevice.
The QTextStream class provides a convenient interface for reading and writing text.
Provides the facility to load an existing Scene.
The QImageReader class provides a format independent interface for reading images from files or other devices.
The QImageWriter class provides a format independent interface for writing images to files or other devices.
The QTextDocumentWriter class provides a format-independent interface for writing a QTextDocument to files or other devices.
© 2022 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.