| title | UI Support Classes (ATL) | Microsoft Docs | |||||||||||||
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| ms.date | 11/04/2016 | |||||||||||||
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| ms.assetid | 313dfc95-308a-4118-b919-5a3c3673b865 | |||||||||||||
| caps.latest.revision | 10 | |||||||||||||
| author | mikeblome | |||||||||||||
| ms.author | mblome | |||||||||||||
| manager | ghogen | |||||||||||||
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The following classes provide general UI support:
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IDocHostUIHandlerDispatch An interface to the Microsoft HTML parsing and rendering engine.
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IOleObjectImpl Provides the principal methods through which a container communicates with a control. Manages the activation and deactivation of in-place controls.
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IOleInPlaceObjectWindowlessImpl Manages the reactivation of in-place controls. Enables a windowless control to receive messages, as well as to participate in drag-and-drop operations.
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IOleInPlaceActiveObjectImpl Assists communication between an in-place control and its container.
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IViewObjectExImpl Enables a control to display itself directly and to notify the container of changes in its display. Provides support for flicker-free drawing, non-rectangular and transparent controls, and hit testing.