IMSVidAnalogTuner::ChannelAvailable method (segment.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 ChannelAvailable method queries whether a specified channel is available for viewing.
This method is currently not supported.
Syntax
HRESULT ChannelAvailable(
[in] long nChannel,
[in, out] long *SignalStrength,
[out] VARIANT_BOOL *fSignalPresent
);
Parameters
[in] nChannel
Integer containing the channel.
[in, out] SignalStrength
Pointer to a long value that specifies the signal strength.
[out] fSignalPresent
Receives a VARIANT_BOOL that indicates whether a signal is present.
Return value
If the method succeeds, it returns S_OK. If it fails, it returns an error code.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows�XP [desktop apps only] |
| Minimum supported server | None supported |
| Target Platform | Windows |
| Header | segment.h (include Msvidctl.h) |