Ink Gestures

MainWindow.xaml

<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        x:Class="InkGestureWpf.MainWindow"
        Title="Ink Gestures" Height="800" Width="1200" WindowState="Maximized" FontSize="48">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="600"/>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <ItemsControl x:Name="GestureResultsBox" Margin="48"/>
        <Border Grid.Column="1" BorderBrush="#FF999999" BorderThickness="8,0,0,0">
            <InkCanvas x:Name="GestureCanvas" EditingMode="GestureOnly"/>
        </Border>
    </Grid>
</Window>

MainWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Windows;
using System.Windows.Ink;

namespace InkGestureWpf
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

            var gestureResults = new ObservableCollection<ApplicationGesture>();
            GestureResultsBox.ItemsSource = gestureResults;

            GestureCanvas.Gesture += (o, e) =>
            {
                var result = e.GetGestureRecognitionResults()
                    // 信頼性 (RecognitionConfidence) を無視したほうがよさそうです。
                    //.Where(r => r.RecognitionConfidence == RecognitionConfidence.Strong)
                    .FirstOrDefault(r => r.ApplicationGesture != ApplicationGesture.NoGesture);
                if (result == null) return;

                gestureResults.Insert(0, result.ApplicationGesture);
            };
        }
    }
}