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Reset Method
See Also 
Leadtools.Multimedia Namespace > AudioFormats Class : Reset Method



Sets the enumerator to its initial position, before the first element in the collection.

Syntax

Visual Basic (Declaration) 
Public Sub Reset() 
Visual Basic (Usage)Copy Code
Dim instance As AudioFormats
 
instance.Reset()
C# 
public void Reset()
C++/CLI 
public:
void Reset(); 

Example

Visual BasicCopy Code
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 audio formats
      Dim formats As AudioFormats = capturectrl.AudioCaptureFormats

      ' 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

      ' get count after setting device
      Dim m As Integer = formats.Count

      ' reset the collection
      formats.Reset()

      ' set out result to what we expect 
      _result = (m <> n)
   Catch e1 As Exception
      _result = False
   End Try
End Sub
C#Copy Code
public CaptureCtrlForm _form = new CaptureCtrlForm();
public bool _result = false;
public void CountResetExample()
{
   try
   {
      // reference the form capture control 
      CaptureCtrl capturectrl = _form.CaptureCtrl;

      // reference the audio formats
      AudioFormats formats = capturectrl.AudioCaptureFormats;

      // 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;

      // get count after setting device
      int m = formats.Count;

      // reset the collection
      formats.Reset();

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

Remarks

This enumerator remains valid through the life of the collection. If changes are made to the collection, such as adding, modifying, or deleting elements, the next call to the Reset method will reset the position to -1.

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

See Also