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LEADTOOLS Multimedia (Leadtools.MediaFoundation assembly)

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CopyTo Method (TargetAudioFormats)






The one-dimensional Array that is the destination of the items to be copied from the collection.
The zero-based index in the destination array at which copying begins.
Copies the items of the collection to a TargetAudioFormat array, starting at a specified array index.
Syntax
public void CopyTo( 
   TargetAudioFormat[] array,
   int arrayIndex
)
'Declaration
 
Public Sub CopyTo( _
   ByVal array() As TargetAudioFormat, _
   ByVal arrayIndex As Integer _
) 
'Usage
 
Dim instance As TargetAudioFormats
Dim array() As TargetAudioFormat
Dim arrayIndex As Integer
 
instance.CopyTo(array, arrayIndex)

Parameters

array
The one-dimensional 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.
Exceptions
ExceptionDescription
System.ArgumentNullExceptionThe 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.ArgumentOutOfRangeExceptionThe exception that is thrown when the value of an argument is outside the allowable range of values as defined by the invoked method.
System.ArgumentExceptionThe exception that is thrown when one of the arguments provided to a method is not valid.
Remarks
Note: The Array must have zero-based indexing.
Example
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 
   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;
   }
}
Requirements

Target Platforms

See Also

Reference

TargetAudioFormats Class
TargetAudioFormats Members

Error processing SSI file
Leadtools.MediaFoundation requires a Multimedia or Multimedia Suite license and unlock key. For more information, refer to: LEADTOOLS Toolkit Features