MCI_SETTUNER
The MCI_SETTUNER command sets the current channel on the tuner. VCR devices recognize this command.
MCIERROR mciSendCommand(MCIDEVICEID wDeviceID, MCI_SETTUNER,
DWORD dwFlags, (DWORD) (LPMCI_GENERIC_PARMS) lpSetTuner);
Parameters
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wDeviceID
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Device identifier of the MCI device that is to receive the command message.
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dwFlags
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MCI_NOTIFY, MCI_WAIT, or MCI_TEST. For information about these flags, see The Wait, Notify, and Test Flags.
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lpSetTuner
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Address of an MCI_VCR_SETTUNER_PARMS structure.
Return Values
Returns zero if successful or an error otherwise.
Remarks
The following additional flags apply to VCR devices:
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MCI_VCR_SETTUNER_CHANNEL
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The dwChannel member of the structure identified by lpSetTuner contains the new channel number.
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MCI_VCR_SETTUNER_CHANNEL_DOWN
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Decrements the tuner channel.
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MCI_VCR_SETTUNER_CHANNEL_SEEK_DOWN
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Searches for a valid channel in the reverse direction.
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MCI_VCR_SETTUNER_CHANNEL_SEEK_UP
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Searches for a valid channel in the forward direction.
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MCI_VCR_SETTUNER_CHANNEL_UP
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Increments the tuner channel.
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MCI_VCR_SETTUNER_NUMBER
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The dwNumber member of the structure identified by lpSetTuner specifies which logical tuner to affect with this command.
QuickInfo
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in mmsystem.h.
See Also
MCI Overview, MCI Commands, MCI_VCR_SETTUNER_PARMS