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							    SoButtonEvent(3IV)

NAME
     SoButtonEvent (SoBtnEv) - base class for all button events

INHERITS FROM
     SoEvent > SoButtonEvent

SYNOPSIS
     #include <Inventor_c/events/SoButtonEvent.h>

     typedef SoButtonEvent  SoBtnEv

     enum SoButtonEventState {
	  SO_BTN_EV_UP	      Button up event
	  SO_BTN_EV_DOWN      Button down event
	  SO_BTN_EV_UNKNOWN   Button in unknown state
     }

	  Functions from class SoButtonEvent:

     SoButtonEvent *	 SoBtnEvCreate()
     SoType		 SoBtnEvGetClassTypeId()
     void		 SoBtnEvSetState(SoBtnEv *this, SoButtonEventState s)
     SoButtonEventState	 SoBtnEvGetState(const SoBtnEv *this)

	  Functions from class SoEvent:

     SoType		 SoBtnEvGetTypeId(const SoBtnEv *this)
     SbBool		 SoBtnEvIsOfType(const SoBtnEv *this, SoType type)
     void		 SoBtnEvSetTime(SoBtnEv *this, SbTime t)
     SbTime		 SoBtnEvGetTime(const SoBtnEv *this)
     void		 SoBtnEvSetPos(SoBtnEv *this, const SbVec2s *p)
     const SbVec2s *	 SoBtnEvGetPos(const SoBtnEv *this)
     const SbVec2s *	 SoBtnEvGetPosInVP(const SoBtnEv *this, const
			      SbViewportRegion *vpRgn)
     const SbVec2f *	 SoBtnEvGetNormPos(const SoBtnEv *this, const
			      SbViewportRegion *vpRgn)
     void		 SoBtnEvSetShiftDown(SoBtnEv *this, SbBool isDown)
     void		 SoBtnEvSetCtrlDown(SoBtnEv *this, SbBool isDown)
     void		 SoBtnEvSetAltDown(SoBtnEv *this, SbBool isDown)
     SbBool		 SoBtnEvWasShiftDown(const SoBtnEv *this)
     SbBool		 SoBtnEvWasCtrlDown(const SoBtnEv *this)
     SbBool		 SoBtnEvWasAltDown(const SoBtnEv *this)

DESCRIPTION
     SoButtonEvent represents generic button press and release events in the
     Inventor event model. It is the base class for device-specific button
     events, namely SoKeyboardEvent, SoMouseButtonEvent, and
     SoSpaceballButtonEvent. This class stores the down/up state of the button
     when the event occurred.

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SoButtonEvent(3IV)

FUNCTIONS
     SoButtonEvent *	 SoBtnEvCreate()
	  Constructor.

     SoType		 SoBtnEvGetClassTypeId()
	  Return the type id for the SoButtonEvent class.

     void		 SoBtnEvSetState(SoBtnEv *this, SoButtonEventState s)
     SoButtonEventState	 SoBtnEvGetState(const SoBtnEv *this)
	  Set and get the state of the button.

SEE ALSO
     SoEvent, SoKeyboardEvent, SoLocation2Event, SoMotion3Event,
     SoMouseButtonEvent, SoSpaceballButtonEvent, SoHandleEventAction,
     SoEventCallback, SoSelection, SoInteraction, SoXtDevice

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