Wpf: how to animate a bezier curve?

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C#

WPF

animation

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Using the following code, I get a circle or arc drawing effect.

using Microsoft.Expression.Shapes;

Arc a = new Arc();
a.ArcThicknessUnit = Microsoft.Expression.Media.UnitType.Pixel;
a.ArcThickness = 10;
a.StrokeThickness = 1;
a.Fill = new SolidColorBrush(Colors.Aqua);
a.Stroke = new SolidColorBrush(Colors.DarkMagenta);
a.StartAngle = 0;
a.EndAngle = 360;
a.Width = 200;
a.Height = 200;
a.Stretch = Stretch.None;
_myStackPanel.Children.Add(a);

DispatcherTimer dt = new DispatcherTimer();
dt.Interval = TimeSpan.FromMilliseconds(1);
dt.Tick += (s, e) => { a.StartAngle = a.StartAngle + 4; };
dt.Start();

How can I get the effect of drawing a Bezier curve made in the same style? Do I need to animate a curve using a group of arcs? Or are there methods that do this in its entirety? I will be glad to the proposed links on this issue.

What I have tried:

I'm looking for a way to animate a Bezier curve.