using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using Tweened;
using System.Diagnostics;
 
namespace TweenEquationSlideShow
{
	public partial class TweenedEquationThumb : UserControl
	{
        public Func TweenEquation;
        double EndValue;
        double StartValue;
        double BaseValue;
        Tween showTween = new Tween();
 
        public TweenedEquationThumb(Func tweenEquation, double endValue, double startValue, double baseValue)
        {
                // Required to initialize variables
                InitializeComponent();
                TweenEquation = tweenEquation;
                StartValue = startValue;
                EndValue = endValue;
                BaseValue = baseValue;
                TweenDoubleDescription tdc = new TweenDoubleDescription(animPath,         TweenableProperties.Left, TweenEquation, 2, 180, 20);
                 tdc.Definition = 200;
                showTween.AddSequences(tdc);
                showTween.TweenCompleted += new Tween.StoryboardComplete(showTween_TweenCompleted);
                Loaded += new RoutedEventHandler(TweenedEquationThumb_Loaded);
 
        }
 
        void showTween_TweenCompleted(Tween sender, object freeReference)
        {
            sender.Stop();
        }
 
        void TweenedEquationThumb_Loaded(object sender, RoutedEventArgs e)
        {
            MouseLeftButtonDown += new MouseButtonEventHandler(TweenedEquationThumb_MouseLeftButtonDown);
            DrawCurve();
        }
 
        void TweenedEquationThumb_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            showTween.Start();
        }
 
        private void DrawCurve()
        {
 
            double ecart = Math.Round((double)1/200, 3);
            Debug.WriteLine("ecart :: "+ecart);
 
            for (int i = 0; i < 200; i++)
            {
                double currentTime = ecart * i;
                double XTimeValue = currentTime * 180;
                double YValue = BaseValue + (double)Math.Round(this.TweenEquation(currentTime, StartValue, EndValue, 1) * 1000) / 1000;
 
                Ellipse bulle = new Ellipse();
                bulle.Width = 1.2;
                bulle.Height = 1.2;
                bulle.Fill = new SolidColorBrush(Color.FromArgb(0xff, 0xff, 0xff, 0xff) );
                Curve.Children.Add(bulle);
                Canvas.SetLeft(bulle, 20+XTimeValue);
                Canvas.SetTop(bulle, YValue);
 
                EquationName.Text = TweenEquation.Method.Name;
 
            }
        }
     }
}

namespace TweenEquationSlideShow
{
	public partial class Page : UserControl
	{
		public Page()
		{
			// Required to initialize variables
			InitializeComponent();
			Loaded += new RoutedEventHandler(Page_Loaded);
		}
 
		void Page_Loaded(object sender, RoutedEventArgs e)
		{
			//In first time I get the TweenedEquations' Type
			Type myTypeEq = typeof(Tweened.TweenedEquations);
 
			var b = true;
			//Then I get All methods contained with GetMethods() wich returns me an array of MethodInfo
			foreach (MemberInfo memberInfo in myTypeEq.GetMethods())
			{
				//If methods' name begin with "Ease" 
				if (memberInfo.Name.IndexOf("Ease", 0) != -1)
				{
					//then I get each method
					MethodInfo myMethod = myTypeEq.GetMethod(memberInfo.Name);
					//And i create a new delegate with returned MethodInfo Object
					var myD = Delegate.CreateDelegate(typeof (Func<double ,double,double,double,double>),myMethod);
					//In fact we get the reference of that method without calling her
					//I create a new instance of TweenedEquationThumb with a first argument taking my Delegate
                    			TweenedEquationThumb tetb = new TweenedEquationThumb((Func</double><double ,double,double,double,double>)myD, -55, 0, 65);
                    			//if you want you could invoke each method using Invoke method of MethodInfo object
                    			if (b) CurveIn.Children.Add(tetb); 
                    			else CurveOut.Children.Add(tetb); 
                    			b = !b
                		}
            		}
        	}
	}
}</double>