MgslCancelGetTraceEvent

Prototype
`ULONG MgslCancelGetTraceEvent( HANDLE hDevice );`
Parameters
`hDevice`	handle to open SyncLink device
Return Value
`ERROR_SUCCESS (0)`	pending get trace event canceled
`ERROR_INVALID_HANDLE`	hDevice is invalid

This function cancels a pending call to MgslGetTraceEvent. The API returns a special event with EventType_None and signals the event object. Monitor the event object until signaled before calling MgslGetTraceEvent again.

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