Public ReadOnly Property Count As Integer

Dim instance As TargetFormats
Dim value As Integer
 
value = instance.Count

public int Count {get;}

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

Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public _result As Boolean = False
Public Sub CountResetExample()
   Try
      ' reference the form capture control 
      Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

      ' reference the target formats
      Dim formats As TargetFormats = capturectrl.TargetFormats

      ' get count before setting device
      Dim n As Integer = formats.Count

      ' 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

      ' reset the collection
      formats.Reset()

      ' set out result to what we expect 
      _result = (n > 0)
   Catch e1 As Exception
      _result = False
   End Try
End Sub

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

      // reference the target formats
      TargetFormats formats = capturectrl.TargetFormats;

      // get count before setting device
      int n = formats.Count;

      // 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;

      // reset the collection
      formats.Reset();

      // set out result to what we expect 
      _result = (n > 0);
   }
   catch (Exception)
   {
      _result = false;
   }
}