public void CopyTo(
AudioFormat[] array,
int arrayIndex
)
Public Sub CopyTo( _
ByVal array() As AudioFormat, _
ByVal arrayIndex As Integer _
)
public:
void CopyTo(
array<AudioFormat^>^ array,
int arrayIndex
)
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.
Exceptions
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.
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;
}
}
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
Help Collections
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