ICnrQueryDeltaEvent

The ICnrQueryDeltaEvent class retrieves information about a container delta event. Objects of this class are dispatched when the delta value is reached in the container. These events are created in response to a notification from the container that the preset delta value has been reached. Please see the Task Information for more information on the delta value.

AIX Considerations

The Motif container widget do not support data caching. This event is not dispatched on AIX.

Windows Considerations

The native Windows containers (that is, containers constructed without the pmCompatible style) do not support data caching. This event is not used in this case.


ICnrQueryDeltaEvent - Member Functions and Data by Group

Constructors & Destructor

You can construct and destruct objects of this class.


[view class]
~ICnrQueryDeltaEvent
public:
virtual ~ICnrQueryDeltaEvent()

Supported Platforms

Windows OS/2 AIX
Yes Yes Ignored


[view class]
ICnrQueryDeltaEvent
public:
ICnrQueryDeltaEvent(const IControlEvent& event)

Although you can construct objects of this class, typically ICnrHandler::dispatchHandlerEvent creates objects of this class from an object of the class IControlEvent in response to a notification from the container that the preset delta value has been reached.

Supported Platforms

Windows OS/2 AIX
Yes Yes Ignored


Event Information

Use these members to query and set the accessible attributes of this class.


[view class]
atBottomDelta
public:
bool atBottomDelta() const

If the object that represents the delta value scrolls into view at the bottom of the container, true is returned.

Supported Platforms

Windows OS/2 AIX
Yes Yes Ignored


[view class]
atFirstObject
public:
bool atFirstObject() const

If the container has scrolled to the first object in the container, true is returned.

Supported Platforms

Windows OS/2 AIX
Yes Yes Ignored


[view class]
atLastObject
public:
bool atLastObject() const

If the container has scrolled to the last object in the container, true is returned.

Supported Platforms

Windows OS/2 AIX
Yes Yes Ignored


[view class]
atTopDelta
public:
bool atTopDelta() const

If the object that represents the delta value scrolls into view at the top of the client area, true is returned.

Supported Platforms

Windows OS/2 AIX
Yes Yes Ignored


ICnrQueryDeltaEvent - Inherited Member Functions and Data

Inherited Public Functions

ICnrEvent
IControlEvent
IEvent

Inherited Public Data

Inherited Protected Functions

ICnrEvent

Inherited Protected Data