IDirectManipulationContactHandler interface
[IDirectManipulationContactHandler is no longer available for use as of Windows 8.1. ]
Callback interface to manage the contacts associated with a manipulation.
Note When implementing a Direct Manipulation object, ensure that the IUnknown implementation supports multithreading through thread-safe reference counting. For more information, see InterlockedIncrement and InterlockedDecrement.
Members
The IDirectManipulationContactHandler interface inherits from the IUnknown interface. IDirectManipulationContactHandler also has these types of members:
- Methods
Methods
The IDirectManipulationContactHandler interface has these methods.
| Method | Description |
|---|---|
| OnPointerDown | Handles the events that occur when the pointer is down. |
Remarks
IDirectManipulationContactHandler is implemented by an application.
This interface can be implemented by two or more different objects so that the chain of SetContact calls can be extended outside of the object that receives the initial WM_POINTERDOWN message.
Requirements
Minimum supported client |
Windows 8 [desktop apps only] |
Minimum supported server |
Windows Server 2012 [desktop apps only] |
End of client support |
Windows 8.1 Preview |
End of server support |
Windows Server 2012 R2 Preview |
Header |
DirectManipulation.h |
IDL |
DirectManipulation.idl |
IID |
IID_IDirectManipulationContactHandler is defined as DCF8B13E-3BA1-4616-844A-9CAA08B47583 |
See also
Direct Manipulation Interfaces
Send comments about this topic to Microsoft
Build date: 9/20/2013