NumInputConnections Property

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

public int NumInputConnections {get;}

'Declaration
 
Public ReadOnly Property NumInputConnections As Integer

'Usage
 
Dim instance As TVTuner
Dim value As Integer
 
value = instance.NumInputConnections

public int NumInputConnections {get;}

 get_NumInputConnections();

public:
property int NumInputConnections {
   int get();
}

Property Value

A value which represents the number of TV inputs

Gets the number of TV sources plugged into the tuner filter. For more detailed information, refer to the Microsoft documentation for IAMTVTuner.get_NumInputConnections.

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 NumInputConnectionsExample()
   ' 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("Digital") Is Nothing Then
         Throw New Exception("No Digital video devices available!")
      End If

      capturectrl.VideoDevices("Digital").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
         ' connect the first input
         tvtuner.ConnectInput = 0

         ' 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

public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void NumInputConnectionsExample()
{
   // 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["Digital"] == null)
         throw new Exception("No Digital video devices available!");

      capturectrl.VideoDevices["Digital"].Selected = true;

      // get the TV Tuner device
      TVTuner tvtuner = capturectrl.TVTuner;

      // check whether the TV tuner is valid
      if (tvtuner != null)
      {
         // connect the first input
         tvtuner.ConnectInput = 0;

         // 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: 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