public int IndexOf(
int SampleFrequency,
int BitsPerSample,
int Channels
)
public:
int IndexOf(
int SampleFrequency,
int BitsPerSample,
int Channels
)
SampleFrequency
A value representing the sample frequency of the AudioFormat to find.
BitsPerSample
A value representing the bits per sample of the AudioFormat to find.
Channels
A value representing the number of channels of the AudioFormat to find.
The zero-based index position of the AudioFormat item found, or -1 if not found.
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void IndexContainsExample()
{
// reference the capture control
CaptureCtrl capturectrl = _form.CaptureCtrl;
try
{
// set an audio device first. use your audio device's name here
if (capturectrl.AudioDevices["USB"] == null)
throw new Exception("No USB audio device available");
capturectrl.AudioDevices["USB"].Selected = true;
// reference the audio formats object
AudioFormats audioformats = capturectrl.AudioCaptureFormats;
// check the index of 8hz, 16-bit, stereo
int i = audioformats.IndexOf(8000, 16, 2);
// access the format via the collection indexer
AudioFormat af = audioformats[i];
// check whether the collection contains this format
// (it should since we just got it with IndexOf above)
if (audioformats.Contains(af))
{
// set the result to what we expect
_result = true;
}
}
catch (Exception)
{
_result = false;
}
}
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