1 // 获取或设置输入数据用于从中提取 InkStroke 的输入设备类型。
 2  
 3 public CoreInputDeviceTypes InputDeviceTypes { get; set; }
 4  
 5  
 6 // 获取 InkCanvas 控件上的 InkStroke 的行为。例如，墨迹、清除或选择。
 7  
 8 public InkInputProcessingConfiguration InputProcessingConfiguration { get; }
 9  
10  
11 // 获取或设置是否已启用输入以进行墨迹书写。
12  
13 public System.Boolean IsInputEnabled { get; set; }
14  
15  
16 // 获取或设置 InkStrokeContainer 对象以管理 InkCanvas 控件上的一个或多个 InkStroke 对象的输入、处理和操作。
17  
18 public InkStrokeContainer StrokeContainer { get; set; }
19  
20  
21 // 从关联的 InkCanvas 控件获取笔划墨迹输入。
22  
23 public InkStrokeInput StrokeInput { get; }
24  
25  
26 // 设置 InkCanvas 控件上一个或多个接触点的墨迹书写行为。
27  
28 public void SetPredefinedConfiguration(InkPresenterPredefinedConfiguration value);
29  
30  
31 // 指定渲染新的 InkStroke 时 InkCanvas 控件所使用的 InkDrawingAttributes。
32  
33 public void UpdateDefaultDrawingAttributes(InkDrawingAttributes value);

<InkCanvas x:Name="InkCanvas" />

 1 private void MainPage_Loaded(object sender, RoutedEventArgs e)
 2 {
 3     //设置输入类型为触控输入和鼠标输入
 4     InkCanvas.InkPresenter.InputDeviceTypes = CoreInputDeviceTypes.Mouse | CoreInputDeviceTypes.Touch;
 5     //创建一个新的画笔属性（此步可省略，省略后采用默认画笔）
 6     var attr = new InkDrawingAttributes
 7     {
 8         Color = Colors.Red, //颜色
 9         IgnorePressure = true,  //是否忽略数字化器表面上的接触压力
10         PenTip = PenTipShape.Rectangle, //笔尖类型设置
11         Size = new Size(4, 10), //画笔粗细
12         PenTipTransform = Matrix3x2.CreateRotation((float)(70 * Math.PI / 180)) //笔尖形状矩阵
13     };
14     //更新画笔
15     InkCanvas.InkPresenter.UpdateDefaultDrawingAttributes(attr);
16 }

    InkCanvas.InkPresenter.InputProcessingConfiguration.Mode = InkInputProcessingMode.Erasing;

 1 private async void Btn_Save_OnClick(object sender, RoutedEventArgs e)
 2 {
 3     //声明一个流来存储墨迹信息
 4     IRandomAccessStream stream = new InMemoryRandomAccessStream();
 5     //保存墨迹信息到流
 6     //拿到流了就可以随意处置墨迹了，可以保持到App内部 也可以保存为文件，我们直接保存为文件
 7     await InkCanvas.InkPresenter.StrokeContainer.SaveAsync(stream);
 8     //创建一个文件保存对话框
 9     var picker = new Windows.Storage.Pickers.FileSavePicker
10     {
11         SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.DocumentsLibrary
12     };
13     //文件类型
14     picker.FileTypeChoices.Add("INK files", new List<string>() { ".ink" });
15     //弹出保存对话框
16     var file = await picker.PickSaveFileAsync();
17     if (file == null) return;
18  
19     CachedFileManager.DeferUpdates(file);
20     //将流转为byte
21     var bt = await ConvertImagetoByte(stream);
22     //写入文件
23     await Windows.Storage.FileIO.WriteBytesAsync(file, bt);
24     //保存
25     await CachedFileManager.CompleteUpdatesAsync(file);
26 }
27 private async Task<byte[]> ConvertImagetoByte(IRandomAccessStream fileStream)
28 {
29     //IRandomAccessStream fileStream = await image.OpenAsync(FileAccessMode.Read);
30     var reader = new Windows.Storage.Streams.DataReader(fileStream.GetInputStreamAt(0));
31     await reader.LoadAsync((uint)fileStream.Size);
32  
33     byte[] pixels = new byte[fileStream.Size];
34  
35     reader.ReadBytes(pixels);
36  
37     return pixels;
38 }

 1 private async void Btn_load_OnClick(object sender, RoutedEventArgs e)
 2        {
 3            //创建一个文件选择器
 4            var picker = new Windows.Storage.Pickers.FileOpenPicker
 5            {
 6                SuggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.DocumentsLibrary
 7            };
 8            //规定文件类型
 9            picker.FileTypeFilter.Add(".ink");
10            //显示选择器
11            var pickedFile = await picker.PickSingleFileAsync();
12            if (pickedFile != null)
13            {
14                var file = await pickedFile.OpenReadAsync();
15                //加载墨迹
16                await InkCanvas.InkPresenter.StrokeContainer.LoadAsync(file);
17            }
18        }

// 获取 InkRecognizer 对象的集合。
public IReadOnlyList<InkRecognizer> GetRecognizers();
 
 
// 对一个或多 InkStroke 对象执行手写识别。
public IAsyncOperation<IReadOnlyList<InkRecognitionResult>> RecognizeAsync(InkStrokeContainer strokeCollection, InkRecognitionTarget recognitionTarget);
 
 
// 设置用于手写标识的默认 InkRecognizer。
public void SetDefaultRecognizer(InkRecognizer recognizer);

 1 private async void btnOcr_OnClick(object sender, RoutedEventArgs e)
 2 {
 3     //手写识别
 4     var container = new InkRecognizerContainer();
 5     //使用墨迹识别
 6     var result = await container.RecognizeAsync(InkCanvas.InkPresenter.StrokeContainer, InkRecognitionTarget.All);
 7     //获取识别结果  InkRecognitionResult 对象中还能获取候选字
 8     var txt = result[0].GetTextCandidates()[0];
 9  
10     var dia = new ContentDialog()
11     {
12         Content = new TextBlock() { Text = txt },
13         PrimaryButtonText = "ok",
14         IsPrimaryButtonEnabled = true
15  
16     };
17     dia.PrimaryButtonClick += (s, a) =>
18     {
19         dia.Hide();
20     };
21     await dia.ShowAsync();
22 }

xmlns:ink="using:Microsoft.Labs.InkToolbarControl"
 
 
<ink:InkToolbar x:Name="bar_InkTool"
 
 
TargetInkCanvas="{x:Bind InkCanvas}"
 
 
VerticalAlignment="Top" HorizontalAlignment="Right" />