本文主要说如何绑定InkCanvas，让笔画变化的时候我们可以知道。

我们本来的InkCanvas没有提供笔画绑定，所以我们自己写


using Windows.UI.Input.Inking;

using Windows.UI.Xaml;

using Windows.UI.Xaml.Controls;

public static class InkCanvasBinder

{

    public static InkStrokeContainer GetInkStrokes(DependencyObject obj) => 

        obj.GetValue(InkStrokesProperty) as InkStrokeContainer;

    public static void SetInkStrokes(DependencyObject obj, InkStrokeContainer value) => 

        obj.SetValue(InkStrokesProperty, value);

    public static DependencyProperty InkStrokesProperty = DependencyProperty.RegisterAttached(

        "InkStrokes", typeof(InkStrokeContainer), typeof(InkCanvasBinder),

        new PropertyMetadata(null, InkStrokesProperty_PropertyChanged));

    private static void InkStrokesProperty_PropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)

    {

        var inkCanvas = d as InkCanvas;

        if (inkCanvas != null) inkCanvas.InkPresenter.StrokeContainer = e.NewValue as InkStrokeContainer;

    }

}

我们使用InkCanvas


<InkCanvas local:InkCanvasBinder.InkStrokes="{x:Bind AnInkStrokeContainer}" />

参见：https://github.com/Microsoft/Windows-task-snippets/blob/master/tasks/InkCanvas-data-binding.md

win10 uwp InkCanvas控件数据绑定_C#