Class and Function Documentation | Qt 6.11
Description: Lists and Indexes of classes, functions, and types.

- Qt 6.11
- Class and Function Documentation
- Qt 6.11.2 Reference Documentation

# Class and Function Documentation

Links to indexes and lists for finding class and function reference documentation.

### Class Lists

All C++ Classes | If you know the name of the class you want, find it here.
All Classes by Module | A list of all C++ API components in Qt
All Modules | A list of all modules in Qt 6.
All Namespaces | A Qt namespace contains enum types, functions, and sometimes classes.
All QML Modules | A list of all QML modules in Qt.
All QML Types | A list of QML types in this Qt release.
Annotated Class List | If you don't know the name of the class you want, but you know what the class should do, you might try looking here.
Groups Of Related Classes | If you know what kind of class you want (GUI, painting, I.O, etc), look here.
Inheritance Hierarchy | The C++ class inheritance hierarchy for all classes in the Qt API.
Obsolete Classes | C++ classes and members marked obsolete that should not be used in new code.
Obsolete QML Types | A list of obsolete QML types that should not be used in new code.

### Function Lists

<QForeach> | Helper macros for performing for-loops
<QFunctionPointer> | Convenience types for function pointers
<QOverload> | Functions for resolving overloads
<QTypeInfo> | Macros for specifying information about custom types
<QWaylandQuickExtension> | File includes macros for creating Qt Quick types that correspond to subclasses of QWaylandCompositorExtension and QWaylandObject
<QtAlgorithms> | Includes the generic, template-based algorithms
<QtAssert> | Macros for condition checks during development and debugging
<QtClassHelperMacros> | Class helper macros
<QtCompilerDetection> | File includes various compiler-specific macros
<QtDarwinHelpers> | Helper macros specific to Darwin-based operating systems
<QtEndian> | Functions to convert between little and big endian representations of numbers
<QtEnvironmentVariables> | Helper functions for working with environment variables
<QtGlobal> | File includes an assortment of other headers
<QtMath> | File provides various math functions
<QtMinMax> | Functions for limiting a value to lower and/or upper bounds
<QtPreprocessorSupport> | Preprocessor-specific macros
<QtProcessorDetection> | File includes various architecture-specific macros
<QtResource> | Macros for managing the Qt resource system
<QtSwap> | Swapping the values of two variables
<QtSystemDetection> | File includes various platfrom-specific macros
<QtTranslation> | Marking strings for translation
<QtVersion> | Information about which Qt version the application is running on, and the version it was compiled against
<QtVersionChecks> | Macros for performing Qt version checks
<qtwebenginecoreglobal.h> | Helper functions for the Qt WebEngine Core module
All Functions and Macros | All documented Qt functions listed alphabetically with a link to where each one is declared.
qfloat16 | Provides 16-bit floating point support