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;
}
}