public async void DrawCurve(Canvas2DContext ctx, BezierCurve curve)
{
await ctx.BeginPathAsync();
//await ctx.SetLineWidthAsync(2);
await ctx.MoveToAsync(curve.StartPoint.X, curve.StartPoint.Y);
await ctx.BezierCurveToAsync(curve.ControlPoint1.X, curve.ControlPoint1.Y, curve.ControlPoint2.X, curve.ControlPoint2.Y, curve.EndPoint.X, curve.EndPoint.Y);
//await ctx.SetStrokeStyleAsync("white");
await ctx.StrokeAsync();
await ctx.BeginPathAsync();
//await ctx.SetFillStyleAsync("yellow");
await ctx.ArcAsync(curve.StartPoint.X, curve.StartPoint.Y, 5, 0, Math.PI * 2);
await ctx.FillAsync();
await ctx.BeginPathAsync();
//await ctx.SetFillStyleAsync("yellow");
await ctx.ArcAsync(curve.EndPoint.X, curve.EndPoint.Y, 5, 0, Math.PI * 2);
await ctx.FillAsync();
}