Balance Property (CaptureCtrl)

Visual Basic
C#
C++/CLI

'Declaration
 
Public Overridable Property Balance As Integer

'Usage
 
Dim instance As CaptureCtrl
Dim value As Integer
 
instance.Balance = value
 
value = instance.Balance

public virtual int Balance {get; set;}

public:
virtual property int Balance {
   int get();
   void set (    int value);
}

Property Value

A value representing the balance.

Allowed values range from -10000 to 10000, where -10000 indicates that the right channel will receive no signal, 10000 indicates that the left channel will receive no signal, and 0 indicates that both channels will get the same amount of the audio signal.

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 New CaptureCtrlForm()
Public Sub CaptureAudioExample()
    ' reference the capture control
    Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

    ' output file for capture
    Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_CaptureAudioExample.mp3")

    Try
        ' select a audio capture device
        If capturectrl.AudioDevices("USB") Is Nothing Then
            Throw New Exception("No USB audio device available")
        End If

        capturectrl.AudioDevices("USB").Selected = True

        ' set the target output file and format
        capturectrl.TargetFile = outFile
        capturectrl.TargetFormat = TargetFormatType.MP4

        ' unmute the audio, balanced and full volume
        capturectrl.Mute = False
        capturectrl.Balance = 0
        capturectrl.Volume = 0

        ' check if we have can capture audio
        If capturectrl.IsModeAvailable(CaptureMode.Audio) Then
            capturectrl.TimeLimit = 5
            ' just 5 seconds of capture time
            capturectrl.UseTimeLimit = True

            ' start the capture process
            capturectrl.StartCapture(CaptureMode.Audio)

            ' 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()
            End While

            ' set the result
            _result = File.Exists(outFile)
        End If
    Catch generatedExceptionName As Exception
        _result = False
    End Try
End Sub

Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media"
End Class

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

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

   // output file for capture
   string outFile = Path.Combine(LEAD_VARS.MediaDir,"CaptureCtrl_CaptureAudioExample.mp3");

   try
   {
      // select a audio capture device
      if (capturectrl.AudioDevices["USB"] == null)
         throw new Exception("No USB audio device available");

      capturectrl.AudioDevices["USB"].Selected = true;

      // set the target output file and format
      capturectrl.TargetFile = outFile;
      capturectrl.TargetFormat = TargetFormatType.MP4;

      // unmute the audio, balanced and full volume
      capturectrl.Mute = false;
      capturectrl.Balance = 0;
      capturectrl.Volume = 0;

      // check if we have can capture audio
      if (capturectrl.IsModeAvailable(CaptureMode.Audio))
      {
         capturectrl.TimeLimit = 5;      // just 5 seconds of capture time
         capturectrl.UseTimeLimit = true;

         // start the capture process
         capturectrl.StartCapture(CaptureMode.Audio);

         // 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();

         // set the result
         _result = File.Exists(outFile);
      }
   }
   catch (Exception)
   {
      _result = false;
   }
}

static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media";
}

Target Platforms

Reference

CaptureCtrl Class
CaptureCtrl Members