The IDMTargetHelpEvent class encapsulates direct manipulation target help events when a user requests help over a target. Objects of this class are constructed by the target handler, IDMTargetHandler. An object of this class is constructed once when help is requested.
Constructors & DestructorYou can construct and destruct objects of this class.
![]() |
public:
virtual ~IDMTargetHelpEvent()
| Windows | OS/2 | AIX |
| Ignored | Yes | Yes |
![]() |
public:
IDMTargetHelpEvent(const IEvent& event)
Constructs objects of this class from a generic IEvent object.
| Windows | OS/2 | AIX |
| Ignored | Yes | Yes |
Event InformationUse these members to query event information for this class.
![]() |
public:
virtual unsigned long operation() const
Returns the operation (for example, IDMOperation::move). Use this information to provide operation-specific help for the drag operation. IDMOperation::operation provides a list of the drag operations.
| IAccessError | The operation was not returned. The drag information is not accessible. |
| Windows | OS/2 | AIX |
| Ignored | Yes | Yes |
virtual ~IDMEvent()
IDMEvent(const IEvent& event)
virtual ~IEvent()
IWindowHandle controlHandle() const
virtual IWindow* controlWindow() const
IEvent& decrementOwnerLevels()
virtual IWindow* dispatchingWindow() const
unsigned long eventId() const
IWindowHandle handle() const
IEvent( IWindow* window, unsigned long eventId, const IEventParameter1& parameter1, const IEventParameter2& parameter2 )
IEvent( const IWindowHandle& handle, unsigned long eventId, const IEventParameter1& parameter1, const IEventParameter2& parameter2 )
IEvent(const IEvent& event)
IEvent& operator =(const IEvent& event)
IEventParameter1 parameter1() const
IEventParameter2 parameter2() const
bool passToOwner() const
IEventResult result() const
IEvent& setControlHandle(const IWindowHandle& handle)
IEvent& setDispatchingHandle(const IWindowHandle& handle)
IEvent& setDispatchingWindow(IWindow* window)
IEvent& setHandle(const IWindowHandle& handle)
IEvent& setNumberOfLevels(int levels = - 1)
IEvent& setPassToOwner(bool passOn = true)
IEvent& setResult(const IEventResult& eventResult)
IEvent& setResult(bool eventResult)
virtual IWindow* window() const