public static AVAudioRecorder Create(NSUrl url, AVAudioFormat format, out NSError error) { if (format == null) { throw new ArgumentNullException(nameof(format)); } error = null; try { AVAudioRecorder r = new AVAudioRecorder(url, format, out error); if (r.Handle == IntPtr.Zero) { return(null); } return(r); } catch { return(null); } }
AVAudioRecorder(NSUrl url, AVAudioFormat format, out NSError error) { // We use this method because it allows us to out NSError but, as a side effect, it is possible for the handle to be null and we will need to check this manually (on the Create method). Handle = InitWithUrl(url, format, out error); }
public AVAudioSourceNode(AVAudioFormat format, AVAudioSourceNodeRenderHandler renderHandler) { throw new InvalidOperationException("Do not use this constructor. Use the 'AVAudioSourceNode (AVAudioFormat, AVAudioSourceNodeRenderHandler2)' constructor instead."); }