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Input/Output and Networking

These classes are used to handle input and output to and from external devices, processes, files etc. as well as manipulating files and directories.

QBufferI/O device that operates on a QByteArray
QClipboardAccess to the window system clipboard
QDataStreamSerialization of binary data to a QIODevice
QDirAccess to directory structures and their contents in a platform-independent way
QDnsStatic functions for host name lookups
QDnsHostInfoInformation about a host name lookup
QFileI/O device that operates on files
QFileEngineAbstraction for accessing the filesystem
QFileEngineHandlerAllows custom QFileEngines to be plugged into Qt
QFileInfoSystem-independent file information
QFtpImplementation of the FTP protocol
QHostAddressIP address
QHttpImplementation of the HTTP protocol
QHttpHeaderHeader information for HTTP
QHttpRequestHeaderRequest header information for HTTP
QHttpResponseHeaderResponse header information for HTTP
QIODeviceThe base class of I/O devices
QIOEngineAbstraction for block reading and writing
QImageIOParameters for loading and saving images
QLockWrapper for a System V shared semaphore
QMacMimeMaps open-standard MIME to Mac flavors
QMetaResourceUsed to create QResource's from supplied data
QMimeSourceAbstraction of objects which provide formatted data of a certain MIME type
QPictureIOParameters for loading and saving pictures
QProcessUsed to start external programs and to communicate with them
QResourceAccess to application resource data
QServerSocketTCP-based server
QSettingsPersistent platform-independent application settings
QSignalCan be used to send signals for classes that do not inherit QObject
QSignalMapperBundles signals from identifiable senders
QSocketBuffered TCP connection
QSocketDevicePlatform-independent low-level socket API
QSocketNotifierSupport for socket callbacks
QTextIStreamConvenience class for input streams
QTextOStreamConvenience class for output streams
QTextStreamFunctions for reading and writing text using a QIODevice
QUrlConvenient interface for working with URLs
QUrlInfoStores information about URLs
QWindowsMimeMaps open-standard MIME to Window Clipboard formats


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Qt 4.0.0-tp1