ChannelMin Property

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

public int ChannelMin {get;}

'Declaration
 
Public ReadOnly Property ChannelMin As Integer

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

public int ChannelMin {get;}

 get_ChannelMin();

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

Property Value

A value which represents the lowest channel available.

Gets the lowest channel available. For more detailed information, refer to the Microsoft documentation for IAMTuner.ChannelMinMax.

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 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 whether there is a valid TV tuner
      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;
   }
}

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