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IESRequestTunerEvent::GetPriority method (tuner.h)

  • Articolo

[The feature associated with this page, Microsoft TV Technologies, is a legacy feature. Microsoft strongly recommends that new code does not use this feature.]

Gets a code that indicates the priority of a device request for exclusive access to a tuner and its Conditional Access Services (CAS).

Syntax

HRESULT GetPriority(
  [out, retval] BYTE *pbyPriority
);

Parameters

[out, retval] pbyPriority

Gets a 1-byte code that indicates the priority. The code can be any of the following values.

Value Meaning
0x00
 OPPORTUNISTIC. The device that receives the request should see if the request conflicts with any other tuner usage, including scheduled and live viewing usages.
0x01
 NOTIFY. The device that receives the request should check to see if the request conflicts with any other scheduled usage. If the acquisition conflicts with live viewing, the device should prompt the user before relinquishing access.
0x02-0xFE
 Reserved.
0xFF
 IMMEDIATE. The device that receives the request must release the tuner for the requestor ownership within the next 60 seconds. The requestor can forcibly acquire the tuner after 60 seconds.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Requirements

Requirement Value
Minimum supported client Windows�7 [desktop apps only]
Minimum supported server None supported
Target Platform Windows
Header tuner.h

See also

IESRequestTunerEvent