AvailableModes Property

Visual Basic
C#
C++/CLI

'Declaration
 
Public ReadOnly Property AvailableModes As TunerModeType

'Usage
 
Dim instance As TVTuner
Dim value As TunerModeType
 
value = instance.AvailableModes

public TunerModeType AvailableModes {get;}

public:
property TunerModeType AvailableModes {
   TunerModeType get();
}

Property Value

An TunerModeType enumeration value which represents the modes supported by the installed tuner.

Gets the modes supported by the installed tuner. Possible values are one or more of the TunerModeType enumeration values. The combination is a bit-wise OR-ing of the TunerModeType enumeration values.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures

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

using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;

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();
}

Target Platforms

Reference

TVTuner Class
TVTuner Members