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# Miscellaneous Classes

These classes are useful classes not fitting into any other category.

TQAccel | Handles keyboard accelerator and shortcut keys
TQAccessible | Enums and static functions relating to accessibility
TQAccessibleInterface | Defines an interface that exposes information about accessible objects
TQAccessibleObject | Implements parts of the TQAccessibleInterface for TQObjects
TQCustomMenuItem | Abstract base class for custom menu items in popup menus
TQDoubleValidator | Range checking of floating-point numbers
TQErrorMessage | Error message display dialog
TQFileIconProvider | Icons for TQFileDialog to use
TQFilePreview | File previewing in TQFileDialog
TQFocusData | Maintains the list of widgets in the focus chain
TQIntValidator | Validator which ensures that a string contains a valid integer within a specified range
TQKeySequence | Encapsulates a key sequence as used by accelerators
TQMacMime | Maps open-standard MIME to Mac flavors
TQMenuData | Base class for TQMenuBar and TQPopupMenu
TQMimeSource | Abstraction of objects which provide formatted data of a certain MIME type
TQProcess | Used to start external programs and to communicate with them
TQRangeControl | Integer value within a range
TQRegExp | Pattern matching using regular expressions
TQRegExpValidator | Used to check a string against a regular expression
TQSettings | Persistent platform-independent application settings
TQSignal | Can be used to send signals for classes that don't inherit TQObject
TQSplashScreen | Splash screen that can be shown during application startup
TQt | Namespace for miscellaneous identifiers that need to be global-like
TQUrl | URL parser and simplifies working with URLs
TQUrlInfo | Stores information about URLs
TQUrlOperator | Common operations on URLs
TQValidator | Validation of input text
TQVariant | Acts like a union for the most common TQt data types
TQWindowsMime | Maps open-standard MIME to Window Clipboard formats