SignalPresent Property

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public TunerSignalStrength SignalPresent {get;}

'Declaration
 
Public ReadOnly Property SignalPresent As TunerSignalStrength

'Usage
 
Dim instance As TVTuner
Dim value As TunerSignalStrength
 
value = instance.SignalPresent

public TunerSignalStrength SignalPresent {get;}

 get_SignalPresent();

public:
property TunerSignalStrength SignalPresent {
   TunerSignalStrength get();
}

Property Value

A TunerSignalStrength enumeration value indicating the signal prescence. For more detailed information, refer to the Microsoft documentation for IAMTuner.SignalPresent.

Indicates whether a signal is present on the current channel.

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

Copy Code

Public _result As Boolean = False
      Public _form As CaptureCtrlForm = New CaptureCtrlForm()
      Public Sub SignalPresentExample()
         Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
         Dim tvtuner As TVTuner = capturectrl.TVTuner
         Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "TVTuner_SignalPresentExample.avi")

         Try
         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

Public NotInheritable Class LEAD_VARS
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
End Class

public bool _result = false;
      public CaptureCtrlForm _form = new CaptureCtrlForm();
      public void SignalPresentExample()
      {
         CaptureCtrl capturectrl = _form.CaptureCtrl;
         TVTuner tvtuner = capturectrl.TVTuner;
         string outFile = Path.Combine(LEAD_VARS.MediaDir,"TVTuner_SignalPresentExample.avi");

         try
         {
         }
         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();
      }

static class LEAD_VARS
{
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

TVTuner Class
TVTuner Members