Inheritance diagram for ITriStateData:

Public Types
enum	{ kDefaultIID = IID_ITRISTATEDATA }

enum	TriState { kUnselected, kUnknown, kSelected }

Public Member Functions
virtual void	Set (TriState newState)=0

virtual bool16	IsSelected ()=0

virtual bool16	IsDeselected ()=0

virtual bool16	IsUnknown ()=0

virtual TriState	GetState ()=0

Public Member Functions inherited from IPMUnknown
virtual IPMUnknown *	QueryInterface (PMIID interfaceID) const =0

virtual void	AddRef () const =0

virtual void	Release () const =0

Detailed Description

Data interface for storing a value that can be in one of three states. There is a similar interface used for widgets with

three possible states.

Member Function Documentation

virtual TriState ITriStateData::GetState ( )

pure virtual

Get the current state

virtual bool16 ITriStateData::IsDeselected ( )

pure virtual

Check if the state is currently kUnselected

virtual bool16 ITriStateData::IsSelected ( )

pure virtual

Check if the state is currently kSelected

virtual bool16 ITriStateData::IsUnknown ( )

pure virtual

Check if the state is currently kUnknown

virtual void ITriStateData::Set ( TriState newState )

pure virtual

Set the new state