# hgeGUIObject helper class hgeGUIObject is an abstract class used to define custom GUI controls. The default classes hgeGUIText, hgeGUIButton and hgeGUISlider are derived from it. You can create your own controls deriving their classes from hgeGUIObject. All the methods of hgeGUIObject are virtual. If you don't need some of the methods, you could just use defaults and not redefine them. The only methods you must define in a derived class are Constuctor and Render. You could also use virtual destructor. ## hgeGUIObject methods
Constructor | Should initialize hgeGUIObject object.
Render | Should render the control to the screen.
Update | Is called each GUI update to allow control animation.
Enter | Is called when the GUI is about to appear on the screen.
Leave | Is called when the GUI is about to disappear from the screen.
IsDone | Used to test if the control has finished it's Enter/Leave animation.
Focus | Is called when the control gains or loses keyboard input focus.
MouseOver | Is called when the mouse cursor enters/leaves the control's area.
MouseMove | Notifies the control of mouse movements.
MouseLButton | Notifies the control of left mouse button state changes.
MouseRButton | Notifies the control of right mouse button state changes.
MouseWheel | Notifies the control of mouse wheel shift.
KeyClick | Notifies the control of pressed keys.
## Related information hgeGUIObject data members ## Requirements Header: hgegui.h