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ChannelMin Property

Summary

Gets the lowest channel available.

Syntax

C++

public int ChannelMin { get; }

Public ReadOnly Property ChannelMin As Integer

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

Property Value

A value which represents the lowest channel available.

Remarks

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

Example

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; 
   } 
}

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

Requirements

Target Platforms

Reference

TVTuner Class

TVTuner Members

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Help Version 21.0.2021.7.2

Leadtools.MediaFoundation Assembly

Introduction

Getting Started

Namespaces

Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

Assemblies