M&M FDT 1.2.1 Online Specification
 IDtmSingleDeviceDataAccess::CancelRequest() method information


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4.3.18.1 IDtmSingleDeviceDataAccess::CancelRequest()


This method can be called in the states:          

HRESULT CancelRequest (
[in] FdtUUIDString invokeId,
[out, retval] VARIANT_BOOL* result
);


Description:
Cancels active read, write or item list request identified by its invoke ID.

Parameters:
invokeIdUnique identification of a read or write request.


Return Value:
resultTRUE Request to cancel pending request is accepted. FALSE Request to cancel pending request is not accepted.


Behavior:
The Frame Application calls this method to cancel an active request. If the DTM has accepted the CancelRequest(), it returns TRUE and must not fire the response event for the canceled operation. The DTM may not be able to cancel the action immediately after accepting the request, but it should do it as soon as possible.

Comments:
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