This inheritance list is sorted roughly, but not completely, alphabetically:
[detail level 123]
  GUID | Engine interface unique identifier |
 IDGLE_Base | Engine base fundamental interface |
 IBaseEvent | Base interface of any engine event |
| IEvBeforeInitialization | Event occurs just before engine will call its initialization routines |
| IEvConsoleWrite | Event occurs when some text is being added to the engine console |
| IEvFatalMessage | Event occurs on engine fatal error |
| IEvGetSubSystem | Event occurs when someone calls IEngineCore::GetSubSystem method |
| IEvGoFullScreen | Event occurs when engine is going fullscreen or go back to windowed mode from fullscreen mode |
 IEvWindowMessage | Event occurs every time when window receives message |
| IBaseRenderObjectContainer | |
| ICoreGeometryBuffer | |
| ICoreTexture | |
| IEngineBaseObject | Base interface of any engine object |
| IBitmapFont | |
| ILight | |
| IMaterial | |
| IMesh | |
| IModel | |
| IMusic | |
| ISoundSample | |
| ITexture | |
| IEngineCallback | |
| IEngineCore | Main engine interface |
| IEngineSubSystem | Base interface of any engine subsystem |
| ICoreRenderer | |
| IInput | |
| IMainFileSystem | |
| IRender | |
| IResourceManager | |
| ISound | |
| IFile | |
| IFileIterator | |
| IFileSystem | |
| IFixedFunctionPipeline | |
| IPlugin | Base interface of any engine plugin |
| ISubSystemPlugin | Base interface of any engine core subsystem plugin |
| IRender2D | |
| IRender3D | |
| ISoundChannel | |
| stack< T > | STL class |
| TTransformStack< TTransform > | Template for multiplication stacks |
| TBlendStateDesc | |
| TColor4 | Describes color in engine |
| TDepthStencilDesc | |
| TDrawDataAttributes | |
| TDrawDataDesc | |
| TEngineWindow | Describes the parameters of the main engine window and its behavior |
| TJoystickStates | Describes the state of the joystick or gamepad |
| TKeyboardStates | Describes the state of the keyboard |
| TMatrix4x4 | Describes 4x4 matrix and some math routines used in 3D graphics computes |
| TMouseStates | Describes the state of the mouse |
| TPluginInfo | Describes engine plugin information |
| TPoint2 | Describes point coordinates in 2D space |
| TPoint3 | Describes point coordinates in 3D space |
| TRasterizerStateDesc | |
| TRectF | Describes 2D rectangle by float values |
| TSystemInfo | Describes user hardware and operating system |
| TVariant | |
| TVertex2 | Describes graphical point coordinates, color and its texture coordinates in 2D space |
| TWindowMessage | Structure with window event message information |
