CopyTo Method (AudioFormats)

Visual Basic
C#
C++/CLI

'Declaration
 
Public Sub CopyTo( _
   ByVal array() As AudioFormat, _
   ByVal arrayIndex As Integer _
)

'Usage
 
Dim instance As AudioFormats
Dim array() As AudioFormat
Dim arrayIndex As Integer
 
instance.CopyTo(array, arrayIndex)

public void CopyTo( 
   AudioFormat[] array,
   int arrayIndex
)

public:
void CopyTo( 
   array<AudioFormat^>^ array,
   int arrayIndex
)

Parameters

array: The one-dimensional, zero-based array that is the destination of the items to be copied from the collection.
arrayIndex: The zero-based index in the destination array at which copying begins.

Exception	Description
System.ArgumentNullException	The exception that is thrown when a null reference (Nothing in Visual Basic) is passed to a method that does not accept it as a valid argument.
System.ArgumentOutOfRangeException	The exception that is thrown when the value of an argument is outside the allowable range of values as defined by the invoked method.
System.ArgumentException	The exception that is thrown when one of the arguments provided to a method is not valid.

The elements are copied to the array in the same order in which they are found in the collection and the collection will start at the specified index.

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 CaptureCtrlForm = New CaptureCtrlForm()
Public Sub CopyToExample()
   ' reference the capture control and it's audio formats
   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 audio formats collection
      Dim audioformats As AudioFormats = capturectrl.AudioCaptureFormats

      ' allocate a new array for the copied audio formats
      Dim copiedFormats As AudioFormat() = New AudioFormat(audioformats.Count - 1) {}

      ' copy them
      audioformats.CopyTo(copiedFormats, 0)

      ' set the result to what we expect
      _result = (copiedFormats.Length = audioformats.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 and it's audio formats
   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 audio formats collection
      AudioFormats audioformats = capturectrl.AudioCaptureFormats;

      // allocate a new array for the copied audio formats
      AudioFormat[] copiedFormats = new AudioFormat[audioformats.Count];

      // copy them
      audioformats.CopyTo(copiedFormats, 0);

      // set the result to what we expect
      _result = (copiedFormats.Length == audioformats.Count);
   }            
   catch (Exception)
   {
      _result = false;
   }
}

Target Platforms

Reference

AudioFormats Class
AudioFormats Members