 is pressed DOWN.    Return Value:        STATUS_SUCCESS means the updated state was successfully sent to HID stack.      Other NTSTATUS if there is an error.    --*/  {      NTSTATUS ntStatus;      DMF_CONTEXT_HidPortableDeviceButtons* moduleContext;        FuncEntry(DMF_TRACE);        DMFMODULE_VALIDATE_IN_METHOD(DmfModule,                                   HidPortableDeviceButtons);        moduleContext = DMF_CONTEXT_GET(DmfModule);        // 