//// This code is part of Document Solutions for PDF .NET demos.// Copyright (c) MESCIUS inc. All rights reserved.//using System.IO;using System.Drawing;using GrapeCity.Documents.Pdf;using GrapeCity.Documents.Pdf.Annotations;
namespace DsPdfWeb.Demos.Basics{    // This sample shows how to add sound annotations to a PDF document.    public class SoundAnnotations    {        public int CreatePDF(Stream stream)        {            var doc = new GcPdfDocument();            var page = doc.NewPage();            var noteWidth = 72 * 3;            var gap = 8;            // User names for annotations' authors:            var user1 = "Aiff Ding";            var user2 = "Wav Dong";
            var rc = Common.Util.AddNote(                "This sample demonstrates adding sound annotations using DsPdf. " +                "The track associated with an annotation can be played in a viewer that supports it. " +                "PDF supports AIFF and WAV tracks in sound annotations.",                page);
            // AIFF sound annotation:            var ip = new PointF(rc.X, rc.Bottom + gap);            rc = Common.Util.AddNote("A red sound annotation is placed to the right of this note. Double click the icon to play the sound.",                page, new RectangleF(ip.X, ip.Y, noteWidth, 100));            var aiffAnnot = new SoundAnnotation()            {                UserName = user1,                Contents = "Sound annotation with an AIFF track.",                Rect = new RectangleF(rc.Right, rc.Top, 24, 24),                Icon = SoundAnnotationIcon.Speaker,                Color = Color.Red,                Sound = SoundObject.FromFile(Path.Combine("Resources", "Sounds", "ding.aiff"), AudioFormat.Aiff)            };            page.Annotations.Add(aiffAnnot);
            // WAV sound annotation:            ip = new PointF(rc.X, rc.Bottom + gap);            rc = Common.Util.AddNote("A blue sound annotation is placed to the right of this note. Double click the icon to play the sound.",                page, new RectangleF(ip.X, ip.Y, noteWidth, 100));            var wavAnnot = new SoundAnnotation()            {                UserName = user2,                Contents = "Sound annotation with a WAV track.",                Rect = new RectangleF(rc.Right, rc.Top, 24, 24),                Icon = SoundAnnotationIcon.Mic,                Color = Color.Blue,                Sound = SoundObject.FromFile(Path.Combine("Resources", "Sounds", "dong.wav"), AudioFormat.Wav)            };            page.Annotations.Add(wavAnnot);
            // Done:            doc.Save(stream);            return doc.Pages.Count;        }    }}