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;
}
}