IndexOf(AudioFormat) Method (original) (raw)

Summary

Returns the index of the first occurrence of an AudioFormat object.

Syntax

Parameters

item
A AudioFormat object reference of the item to find.

Return Value

The zero-based index position of the AudioFormat item found, or -1 if not found.

Example

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; } }