需microsoft.ink

public partial class Window1 : Window
{

public Window1()
{
InitializeComponent();
}

private void btnRec_Click(object sender, RoutedEventArgs e)
{
InkAnalyzer theInkAnalyzer = new InkAnalyzer();
if (inkCanvas.Strokes.Count > 0)
{

AnalysisHintNode hint = theInkAnalyzer.CreateAnalysisHint();
hint.Location.MakeInfinite();
hint.Factoid = "ChineseSimpleCommon";

hint.CoerceToFactoid = true;
hint.Guide.Columns = 1;
hint.Guide.Rows = 1;
hint.Guide.Midline = 0;
hint.WordMode = true;
hint.TopInkBreaksOnly = true;

theInkAnalyzer.AddStrokes(inkCanvas.Strokes);
theInkAnalyzer.SetStrokesLanguageId(inkCanvas.Strokes, 0x0804); // 0x0804 简体中文 0x0409 美国英语 0x0412 朝鲜语（韩语)
theInkAnalyzer.SetStrokesType(inkCanvas.Strokes, StrokeType.Writing);

AnalysisStatus status = theInkAnalyzer.Analyze();

if (status.Successful)
{
textBox1.Text = theInkAnalyzer.GetRecognizedString();
}
else
{
MessageBox.Show("Recognition Failed");
}
}
}

private void btnClear_Click(object sender, RoutedEventArgs e)
{
theInkAnalyzer.RemoveStrokes(inkCanvas.Strokes);
inkCanvas.Strokes.Clear();
textBox1.Text = "";
}
}

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