<InkPresenter x:Name="inkTest" Height="400" Width="600"                               Background="AliceBlue"                               MouseMove="inkTest_MouseMove"                               MouseLeftButtonDown="inkTest_MouseLeftButtonDown"                               MouseLeftButtonUp="inkTest_MouseLeftButtonUp">

   </InkPresenter>

   <InkPresenter x:Name="inkTest" Height="400" Width="600"                                MouseMove="inkTest_MouseMove"                               MouseLeftButtonDown="inkTest_MouseLeftButtonDown"                               MouseLeftButtonUp="inkTest_MouseLeftButtonUp"><Rectangle RadiusX="15" RadiusY="15" Margin="5" Height="400" Width="600"><Rectangle.Fill><ImageBrush  ImageSource="Chrysanthemum.jpg" Opacity="0.5" ></ImageBrush></Rectangle.Fill></Rectangle></InkPresenter>

        Color currentColor = Colors.Black;//定义默认颜色        Stroke newStroke;//定义全局的画笔,用于在MouseDown中实例化，同时在Up中清空该对象        IsolatedStorageSettings setting = IsolatedStorageSettings.ApplicationSettings;//定义独立缓存，用于保存

        //Ink鼠标移动事件        private void inkTest_MouseMove(object sender, MouseEventArgs e)        {//如果不为空则说明已经按下了鼠标            if (newStroke != null)            {//将鼠标移动中的点的轨迹添加到Stroke的StylusPoints                newStroke.StylusPoints.Add(e.StylusDevice.GetStylusPoints(inkTest));            }        }         

        //Ink鼠标左键按下事件private void inkTest_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)        {//捕获鼠标(必须的)            inkTest.CaptureMouse();//实例化画笔            newStroke = new Stroke();//设置画笔颜色            newStroke.DrawingAttributes.Color = currentColor;//指定轮廓的颜色            newStroke.DrawingAttributes.OutlineColor = Colors.Black;//将鼠标点下的点添加到画笔中区            newStroke.StylusPoints.Add(e.StylusDevice.GetStylusPoints(inkTest));//将画笔添加到InkPresenter的Strokes(画笔集合)            inkTest.Strokes.Add(newStroke);        }

        //Ink鼠标左键松开事件private void inkTest_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)        {            newStroke = null;

            //释放鼠标捕获            inkTest.ReleaseMouseCapture();        }

 private void SaveInk()        {            XElement element = ConvertStrokeToString(inkTest.Strokes);using (IsolatedStorageFile stroage = IsolatedStorageFile.GetUserStoreForApplication())            {using (IsolatedStorageFileStream fs = stroage.CreateFile("Ink.xml"))                {using (StreamWriter sw = new StreamWriter(fs))                    {                        sw.WriteLine(element);                    }                }            }            HtmlPage.Window.Alert("保存成功!");        }

 private XElement ConvertStrokeToString(StrokeCollection originStrokes)        {//添加命名空间            string xmlnsString = "";

            XNamespace xmls = xmlnsString;            XElement XStroke = new XElement(xmls + "StrokeCollection", new XAttribute("xmlns", xmlnsString));//创建笔画            XElement mystroke;//遍历当前Ink上的所有Stroke            foreach (Stroke item in originStrokes)            {//实例化XElement对象，并且把Stroke的属性一一对应放到XElement节点中去                mystroke = new XElement(xmls + "Stroke",new XElement(xmls + "Stroke.DrawingAttributes",new XElement(xmls + "DrawingAttributes",new XAttribute("Color", item.DrawingAttributes.Color),new XAttribute("OutlineColor", item.DrawingAttributes.OutlineColor),new XAttribute("Width", item.DrawingAttributes.Width),new XAttribute("Height", item.DrawingAttributes.Height))));//定义StylusPoint节点                XElement mypoints = new XElement(xmls + "Stroke.StylusPoints");//遍历Stroke的StylusPoints                foreach (StylusPoint sp in item.StylusPoints)                {                    XElement mypoint = new XElement(xmls + "StylusPoint",new XAttribute("X", sp.X),new XAttribute("Y", sp.Y));                    mypoints.Add(mypoint);                }//StylusPoint节点添加到Stroke节点中                mystroke.Add(mypoints);//将Stroke节点添加到根节点中                XStroke.Add(mystroke);            }return XStroke;        }

 private StrokeCollection ConvertStringToStroke(string xmlName)        {            StrokeCollection strokeCollection = new StrokeCollection();            XNamespace xmlnsString = "";//使用独立存储来得到保存的Ink文件xml            using (IsolatedStorageFile storage = IsolatedStorageFile.GetUserStoreForApplication())            {//打开指定的文件                using (IsolatedStorageFileStream fs = storage.OpenFile(xmlName, FileMode.Open, FileAccess.Read))                {//得到读取流                    using (StreamReader sr = new StreamReader(fs))                    {string content = sr.ReadToEnd();//加载xml                        XElement document = XElement.Parse(content);//得到所有的Stroke标签                        var strokes = from stroke in document.Elements(xmlnsString + "Stroke") select stroke;//遍历Stroke节点                        foreach (XElement item in strokes)                        {//得到DrawingAttribute节点                            XElement drawingAttribute = item.Element(xmlnsString + "Stroke.DrawingAttributes").Element(xmlnsString + "DrawingAttributes");//实例化Stroke                            Stroke newStroke = new Stroke();//实例化Stroke的StylusPoint                            StylusPoint point = new StylusPoint();//实例化 StylusPointCollection                            StylusPointCollection pointCollection = new StylusPointCollection();//实例化DrawingAttributes                            DrawingAttributes attribute = new DrawingAttributes();//赋值给DrawingAttributes对象                            attribute.Color = ReturnColorFromString(drawingAttribute.Attributes("Color").First().Value);                            attribute.OutlineColor = ReturnColorFromString(drawingAttribute.Attributes("OutlineColor").First().Value);                            attribute.Width = Convert.ToDouble(drawingAttribute.Attributes("Width").First().Value);                            attribute.Height = Convert.ToDouble(drawingAttribute.Attributes("Height").First().Value);                            newStroke.DrawingAttributes = attribute;

//得到StylusPointCollection集合                            var styluspoints = from p in item.Element(xmlnsString + "Stroke.StylusPoints").Elements(xmlnsString + "StylusPoint") select p;//遍历StylusPointCollection节点                            foreach (XElement pointElement in styluspoints)                            {                                point.X = Convert.ToDouble(pointElement.Attribute("X").Value);                                point.Y = Convert.ToDouble(pointElement.Attribute("Y").Value);                                pointCollection.Add(point);                            }//赋值给Stroke的StylusPoints                            newStroke.StylusPoints = pointCollection;//将Stroke添加到strokeCollection                            strokeCollection.Add(newStroke);                        }                    }                }            }return strokeCollection;        }

 public Color ReturnColorFromString(string color)        {string alpha = color.Substring(1, 2);string red = color.Substring(3, 2);string green = color.Substring(5, 2);string blue = color.Substring(7, 2);

byte alphaByte = Convert.ToByte(alpha, 16);byte redByte = Convert.ToByte(red, 16);byte greenByte = Convert.ToByte(green, 16);byte blueByte = Convert.ToByte(blue, 16);return Color.FromArgb(alphaByte, redByte, greenByte, blueByte);        }