Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures
Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub CopyToExample()
   ' reference the capture control 
   Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
   Try
      ' set an audio device first, you should use your audio device name here
      If capturectrl.AudioDevices("USB") Is Nothing Then
         Throw New Exception("No USB audio device available")
      End If
      capturectrl.AudioDevices("USB").Selected = True
      ' reference the target formats collection
      Dim formats As TargetFormats = capturectrl.TargetFormats
      ' reference the target format object
      Dim tf As TargetFormat = formats(TargetFormatType.MP4)
      ' reference the target audio formats object
      Dim taformats As TargetAudioFormats = tf.AudioFormats
      ' allocate a new array for the copied target formats
      Dim copiedFormats As TargetAudioFormat() = New TargetAudioFormat(taformats.Count - 1) {}
      ' copy them
      taformats.CopyTo(copiedFormats, 0)
      ' set the result to what we expect
      _result = (copiedFormats.Length = formats.Count)
   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 CopyToExample()
{
   // reference the capture control 
   CaptureCtrl capturectrl = _form.CaptureCtrl;
   try
   {
      // set an audio device first, you should use your audio device name here
      if (capturectrl.AudioDevices["USB"] == null)
         throw new Exception("No USB audio device available");
      capturectrl.AudioDevices["USB"].Selected = true;
      // reference the target formats collection
      TargetFormats formats = capturectrl.TargetFormats;
      // reference the target format object
      TargetFormat tf = formats[TargetFormatType.MP4];
      // reference the target audio formats object
      TargetAudioFormats taformats = tf.AudioFormats;
      // allocate a new array for the copied target audio formats 
      TargetAudioFormat[] copiedFormats = new TargetAudioFormat[taformats.Count];
      // copy them
      taformats.CopyTo(copiedFormats, 0);
      // set the result to what we expect
      _result = (copiedFormats.Length == formats.Count);
   }
   catch (Exception)
   {
      _result = false;
   }
}