IATSCChannelTuneRequest interface (tuner.h)
[The feature associated with this page, Microsoft TV Technologies, is a legacy feature. Microsoft strongly recommends that new code does not use this feature.]
The IATSCChannelTuneRequest interface provides methods for tuning to a channel in an ATSC network. The ATSCChannelTuneRequest object implements this interface.
Inheritance
The IATSCChannelTuneRequest interface inherits from IChannelTuneRequest. IATSCChannelTuneRequest also has these types of members:
Methods
The IATSCChannelTuneRequest interface has these methods.
| IATSCChannelTuneRequest::get_MinorChannel The get_MinorChannel method gets the current minor channel. |
| IATSCChannelTuneRequest::put_MinorChannel The put_MinorChannel method sets the minor channel to be tuned. |
Remarks
ATSC defines a tune request in terms of a major channel and a minor channel. The major channel is mapped to a physical frequency and the minor channel identifies different programs within the same major channel. To access the channel numbers, use the following methods:
- Major channel:
- Minor channel:
__uuidof(IATSCChannelTuneRequest).
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows�XP [desktop apps only] |
| Minimum supported server | None supported |
| Target Platform | Windows |
| Header | tuner.h |