ChannelMin Property

Visual Basic
C#
C++/CLI

'Declaration
 
Public ReadOnly Property ChannelMin As Integer

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

public int ChannelMin {get;}

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

Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures

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

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

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;
   }
}

Target Platforms

Reference

TVTuner Class
TVTuner Members