Public Function AutoTune( _
   ByVal Channel As Integer _
) As Integer

Dim instance As TVTuner
Dim Channel As Integer
Dim value As Integer
 
value = instance.AutoTune(Channel)

public int AutoTune( 
   int Channel
)

public:
int AutoTune( 
   int Channel
) 

Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub AutoTuneExample()
   ' reference the capture control
   Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

   Try
      ' try set the analog video capture device, use your device name here
      If Not capturectrl.VideoDevices("Analog") Is Nothing Then
         capturectrl.VideoDevices("Analog").Selected = True
      End If

      ' reference the TV tuner interface
      Dim tvtuner As TVTuner = capturectrl.TVTuner

      ' Check if TV tuner is valid
      If Not tvtuner Is Nothing Then
         ' get the min and max channel info
         Dim minChan As Integer = tvtuner.ChannelMin
         Dim maxChan As Integer = tvtuner.ChannelMax

         ' select a channel between min and max to auto tune, do this for as many channels as desired
         Dim tuneChan As Integer = 25
         Dim ok As Integer = tvtuner.AutoTune(tuneChan)

         ' if we auto-tuned successfully, store the info
         If ok <> 0 Then
            ' store the auto tune information
            tvtuner.StoreAutoTune()
            ' set the result to what we expect
            _result = True
         End If
      End If
   Catch e1 As Exception
      _result = False
   End Try
End Sub

public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void AutoTuneExample()
{
   // reference the capture control
   CaptureCtrl capturectrl = _form.CaptureCtrl;

   try
   {
      // try set the analog video capture device, use your device name here
      if (capturectrl.VideoDevices["Analog"] != null)
         capturectrl.VideoDevices["Analog"].Selected = true;

      // reference the TV tuner interface
      TVTuner tvtuner = capturectrl.TVTuner;

      // Check if TV tuner is valid
      if (tvtuner != null)
      {
         // get the min and max channel info
         int minChan = tvtuner.ChannelMin;
         int maxChan = tvtuner.ChannelMax;

         // select a channel between min and max to auto tune, do this for as many channels as desired
         int tuneChan = 25;
         int ok = tvtuner.AutoTune(tuneChan);

         // if we auto-tuned successfully, store the info
         if (ok != 0)
         {
            // store the auto tune information
            tvtuner.StoreAutoTune();
            // set the result to what we expect
            _result = true;
         }
      }
   }
   catch (Exception)
   {
      _result = false;
   }
}