Gets or sets the current mode of a multifunction tuner.
Syntax
Visual Basic (Usage) | Copy Code |
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Dim instance As TVTuner
Dim value As TunerModeType
instance.Mode = value
value = instance.Mode |
Property Value
A
TunerModeType enumeration value indicating the current mode. To determine the modes available on the installed tuner, use the
AvailableModes property. For more detailed information, refer to the Microsoft documentation for IAMTuner.get_Mode.
Example
Visual Basic | Copy Code |
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Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub AvailableModesExample()
' reference the forms capture control and tv tuner
Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
Try
' select the first device with analog in it's name
' Replace "Analog" with your video capture device name
If capturectrl.VideoDevices("Analog") Is Nothing Then
Throw New Exception("No Analog video devices available!")
End If
capturectrl.VideoDevices("Analog").Selected = True
' get the TV Tuner device
Dim tvtuner As TVTuner = capturectrl.TVTuner
' Check if TV tuner is valid
If Not tvtuner Is Nothing Then
' check the available modes
Dim modes As TunerModeType = tvtuner.AvailableModes
Dim analogTV As Boolean = ((modes And TunerModeType.TV) = TunerModeType.TV)
Dim digitalTV As Boolean = ((modes And TunerModeType.DigitalTV) = TunerModeType.DigitalTV)
' set the result
_result = True
End If
Catch e1 As Exception
_result = False
End Try
' we'll loop on the state and pump messages for this example.
' but you should not need to if running from a Windows Forms application.
Do While capturectrl.State = CaptureState.Running
Application.DoEvents()
Loop
End Sub |
C# | Copy Code |
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public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void AvailableModesExample()
{
// reference the forms capture control and tv tuner
CaptureCtrl capturectrl = _form.CaptureCtrl;
try
{
// select the first device with analog in it's name
// Replace "Analog" with your video capture device name
if (capturectrl.VideoDevices["Analog"] == null)
throw new Exception("No Analog video devices available!");
capturectrl.VideoDevices["Analog"].Selected = true;
// get the TV Tuner device
TVTuner tvtuner = capturectrl.TVTuner;
// Check if TV tuner is valid
if (tvtuner != null)
{
// check the available modes
TunerModeType modes = tvtuner.AvailableModes;
bool analogTV = ((modes & TunerModeType.TV) == TunerModeType.TV);
bool digitalTV = ((modes & TunerModeType.DigitalTV) == TunerModeType.DigitalTV);
// set the result
_result = true;
}
}
catch (Exception)
{
_result = false;
}
// we'll loop on the state and pump messages for this example.
// but you should not need to if running from a Windows Forms application.
while (capturectrl.State == CaptureState.Running)
Application.DoEvents();
} |
Remarks
Requirements
Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7
See Also