TOnTVChannelSelected

Unit
VidGrab

Declaration
TOnTVChannelSelected=procedure(Sender: TObject; Channel: LongInt; Locked: Boolean; DefaultVideoFrequency: LongInt; OverriddenVideoFrequency: LongInt; TunerVideoFrequency: LongInt; TunerAudioFrequency: LongInt) of object;

typedef void __fastcall(__closure *TOnTVChannelSelected)(System::TObject *Sender, int Channel, bool Locked, int DefaultVideoFrequency, int OverriddenVideoFrequency, int TunerVideoFrequency, int TunerAudioFrequency);

Description

Type of the OnTVChannelSelected event.

Channel:
Reports the current TV channel in use

Locked:
Returns true if the horizontal sync is locked for this channel.

DefaultVideoFrequency:
Reports the default video frequency for the current TV country code / tuner input type.
Can report -1 if a frequency override has been set and the default TV frequency is not saved in the registry.

OverriddenVideoFrequency:
Reports the overridden frequency for this channel, if it has been previously set by invoking TVSetChannelFrequencyOverrideVidGrab.TVideoGrabber.TVSetChannelFrequencyOverride.

TunerVideoFrequency:
Reports the current audio frequency, as reported by the TV tuner when selecting the TV channel.

TunerAudioFrequency:
Reports the current video frequency, as reported by the TV tuner when selecting the TV channel.