QBuffer | QIODevice interface for a QByteArray |
QDataStream | Serialization of binary data to a QIODevice |
QDir | Access to directory structures and their contents |
QFile | Interface for reading from and writing to files |
QFileDevice | Interface for reading from and writing to open files |
QFileInfo | System-independent file information |
QFileSystemWatcher | Interface for monitoring files and directories for modifications |
QIODevice | The base interface class of all I/O devices in Qt |
QImageReader | Format independent interface for reading images from files or other devices |
QImageWriter | Format independent interface for writing images to files or other devices |
QProcess | Used to start external programs and to communicate with them |
QProcessEnvironment | Holds the environment variables that can be passed to a program |
QResource | Interface for reading directly from resources |
QSettings | Persistent platform-independent application settings |
QSocketNotifier | Support for monitoring activity on a file descriptor |
QTemporaryDir | Creates a unique directory for temporary use |
QTemporaryFile | I/O device that operates on temporary files |
QTextDocumentWriter | Format-independent interface for writing a QTextDocument to files or other devices |
QTextStream | Convenient interface for reading and writing text |
QUrl | Convenient interface for working with URLs |
QUrlInfo | Stores information about URLs |
QUrlQuery | Way to manipulate a key-value pairs in a URL's query |
