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        Dim MonTimer As New TimerAnimation
 
        MonTimer.Transition(Me.PictureBox1, "Left", TimerAnimation.TypeTransition.easeInElastic, 400, 500, 1000)
 
        ' La propriété 'Left' de l'objet 'Picturebox1' va être modifié de la valeur 400 à la valeur 500, en 1000 millisecondes (1 seconde), de façon 'easeInElastic'

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Public Class TimerAnimation
    Inherits Timer
 
    Private _Objet As Object
    Private _NomPropriete As String
    Private _Type As String
    Private _Debut As Integer
    Private _Fin As Integer
    Private _Duree As Integer ' Exprimée en millisecondes
    Private _ActionParSeconde As Integer
 
    Private t As Double
    Private NombreIteration As Integer
    Private IterationEnCours As Integer
    Private Change As Integer
 
    Public Property Debut() As Integer
 
        Get
            Return _Debut
        End Get
        Set(ByVal value As Integer)
            _Debut = value
        End Set
 
    End Property
 
    Public Property Fin() As Integer
 
        Get
            Return _Fin
        End Get
 
        Set(ByVal value As Integer)
 
            _Fin = value
 
            Change = _Fin - _Debut
 
        End Set
 
    End Property
 
    Public Property Duree() As Integer
 
        Get
            Return _Duree
        End Get
        Set(ByVal value As Integer)
 
            _Duree = value
 
            NombreIteration = Math.Round(_Duree / _ActionParSeconde, 0)
 
        End Set
    End Property
 
    Public Property ActionParSeconde() As Integer
 
        Get
            Return _ActionParSeconde
        End Get
 
        Set(ByVal value As Integer)
 
            _ActionParSeconde = value
 
            Me.Interval = _ActionParSeconde
 
            NombreIteration = Math.Round(_Duree / _ActionParSeconde, 0)
 
        End Set
    End Property
 
    Public Property Type() As TypeTransition
 
        Get
            Return _Type
        End Get
 
        Set(ByVal value As TypeTransition)
            _Type = value
        End Set
 
    End Property
 
    Public Property Objet() As Object
 
        Get
            Return _Objet
        End Get
 
        Set(ByVal value As Object)
 
            _Objet = value
 
        End Set
 
    End Property
 
    Public Property NomPropriete() As String
 
        Get
            Return _NomPropriete
        End Get
 
        Set(ByVal value As String)
 
            _NomPropriete = value
 
        End Set
 
    End Property
 
    Sub Transition(ByVal m_objet As Object, ByVal m_NomPropriete As String, ByVal m_Type As TypeTransition, ByVal m_Debut As Integer, ByVal m_Fin As Integer, ByVal m_Duree As Integer)
 
        Me.Objet = m_objet
        Me.NomPropriete = m_NomPropriete
        Me.Type = m_Type
        Me.Debut = m_Debut
        Me.Fin = m_Fin
        Me.Duree = m_Duree
 
        AddHandler Me.Tick, AddressOf ActualiserPropriete
 
        Me.Start()
 
    End Sub
 
    Private Sub ActualiserPropriete()
 
        Me.Actualiser()
 
        CallByName(_Objet, _NomPropriete, CallType.Set, Me.Easing())
 
    End Sub
 
    Public Sub New()
 
        ' Par défaut 
        ActionParSeconde = 20
        IterationEnCours = 0
        Me.Enabled = True
 
    End Sub
 
    Public Sub Actualiser()
 
        IterationEnCours = IterationEnCours + 1
 
        t = Me.IterationEnCours / Me.NombreIteration
 
    End Sub
 
    Function Easing() As Double
 
        If IterationEnCours > NombreIteration Then
 
            Me.Stop()
 
        End If
 
        Easing = EasingFunctions(_Type, t, Debut, Change, 1)
 
    End Function
 
    Enum TypeTransition
        easeInBack
        easeInBounce
        easeOutBounce
        easeInOutBounce
        easeInCirc
        easeInCubic
        easeInElastic
        easeInExpo
        easeInOutBack
        easeInOutCirc
        easeInOutCubic
        easeInOutElastic
        easeInOutExpo
        easeInOutQuad
        easeInOutQuart
        easeInOutQuint
        easeInOutSine
        easeInQuad
        easeInQuart
        easeInQuint
        easeInSine
        easeOutBack
        easeOutCirc
        easeOutCubic
        easeOutElastic
        easeOutExpo
        easeOutQuad
        easeOutQuart
        easeOutQuint
        easeOutSine
    End Enum
 
    Shared Function EasingFunctions(ByVal mode As String, ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        Select Case (mode)
 
            Case TypeTransition.easeInBack
 
                EasingFunctions = easeInBack(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInBounce
 
                EasingFunctions = easeInBounce(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeOutBounce
 
                EasingFunctions = easeOutBounce(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInOutBounce
 
                EasingFunctions = easeInOutBounce(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInCirc
 
                EasingFunctions = easeInCirc(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInCubic
                EasingFunctions = easeInCubic(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInElastic
 
                EasingFunctions = easeInElastic(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInExpo
 
                EasingFunctions = easeInExpo(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInOutBack
                EasingFunctions = easeInOutBack(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInOutCirc
 
                EasingFunctions = easeInOutCirc(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInOutCubic
 
                EasingFunctions = easeInOutCubic(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInOutElastic
 
                EasingFunctions = easeInOutElastic(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInOutExpo
                EasingFunctions = easeInOutExpo(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInOutQuad
 
                EasingFunctions = easeInOutQuad(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInOutQuart
 
                EasingFunctions = easeInOutQuart(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInOutQuint
 
                EasingFunctions = easeInOutQuint(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInOutSine
 
                EasingFunctions = easeInOutSine(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInQuad
 
                EasingFunctions = easeInQuad(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInQuart
 
                EasingFunctions = easeInQuart(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInQuint
 
                EasingFunctions = easeInQuint(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeInSine
 
                EasingFunctions = easeInSine(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeOutBack
 
                EasingFunctions = easeOutBack(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeOutCirc
 
                EasingFunctions = easeOutCirc(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeOutCubic
 
                EasingFunctions = easeOutCubic(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeOutElastic
 
                EasingFunctions = easeOutElastic(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeOutExpo
 
                EasingFunctions = easeOutExpo(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeOutQuad
 
                EasingFunctions = easeOutQuad(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeOutQuart
 
                EasingFunctions = easeOutQuart(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeOutQuint
 
                EasingFunctions = easeOutQuint(t, b, c, d)
                Exit Function
 
            Case TypeTransition.easeOutSine
 
                EasingFunctions = easeOutSine(t, b, c, d)
                Exit Function
 
            Case Else
 
                EasingFunctions = -1
 
        End Select
 
    End Function
 
    Shared Function easeInQuad(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = t / d
        easeInQuad = c * t * t + b
 
    End Function
 
    Shared Function easeOutQuad(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = t / d
        easeOutQuad = -c * t * (t - 2) + b
 
    End Function
 
    Shared Function easeInOutQuad(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = 2 * t / d
 
        If t < 1 Then
            '
            easeInOutQuad = (c / 2) * t * t + b
 
        Else
 
            t = t - 1
 
            easeInOutQuad = -c / 2 * (t * (t - 2) - 1) + b
 
        End If
 
    End Function
 
    Shared Function easeInCubic(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = t / d
        easeInCubic = c * (t) * t * t + b
 
    End Function
 
    Shared Function easeOutCubic(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = (t / d) - 1
 
        easeOutCubic = c * (t * t * t + 1) + b
 
    End Function
 
    Shared Function easeInOutCubic(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = 2 * t / d
        If (t < 1) Then
            easeInOutCubic = c / 2 * t * t * t + b
        Else
            t = t - 2
            easeInOutCubic = c / 2 * (t * t * t + 2) + b
        End If
 
    End Function
 
    Shared Function easeInQuart(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = t / d
        easeInQuart = c * t * t * t * t + b
 
    End Function
 
    Shared Function easeOutQuart(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = t / d - 1
        easeOutQuart = -c * ((t * t * t * t) - 1) + b
 
    End Function
 
    Shared Function easeInOutQuart(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = 2 * t / d
 
        If (t < 1) Then
            easeInOutQuart = c / 2 * t * t * t * t + b
        Else
            t = t - 2
            easeInOutQuart = -c / 2 * (t * t * t * t - 2) + b
        End If
 
    End Function
 
    Shared Function easeInQuint(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = t / d
        easeInQuint = c * t * t * t * t * t + b
 
    End Function
 
    Shared Function easeOutQuint(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = t / d - 1
        easeOutQuint = c * (t * t * t * t * t + 1) + b
 
    End Function
 
    Shared Function easeInOutQuint(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = 2 * t / d
        If (t < 1) Then
            easeInOutQuint = c / 2 * t * t * t * t * t + b
        Else
            t = t - 2
            easeInOutQuint = c / 2 * (t * t * t * t * t + 2) + b
        End If
 
    End Function
 
    Shared Function easeInSine(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        easeInSine = -c * Math.Cos((t / d) * (Math.PI / 2)) + c + b
 
    End Function
 
    Shared Function easeOutSine(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        easeOutSine = c * Math.Sin(t / d * (Math.PI / 2)) + b
 
    End Function
 
    Shared Function easeInOutSine(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        easeInOutSine = -c / 2 * (Math.Cos(Math.PI * t / d) - 1) + b
 
    End Function
 
    Shared Function easeInExpo(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        If t = 0 Then
            easeInExpo = b
        Else
            easeInExpo = c * Math.Pow(2, 10 * (t / d - 1)) + b
        End If
 
    End Function
 
    Shared Function easeOutExpo(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        If t = d Then
            easeOutExpo = b + c
        Else
            easeOutExpo = c * (-Math.Pow(2, -10 * t / d) + 1) + b
        End If
 
    End Function
 
    Shared Function easeInOutExpo(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        If t = 0 Then
            easeInOutExpo = b
            Exit Function
        End If
 
        If t = d Then
            easeInOutExpo = b + c
            Exit Function
        End If
 
        t = 2 * t / d
        If t < 1 Then
            easeInOutExpo = c / 2 * Math.Pow(2, 10 * (t - 1)) + b
        Else
            t = t - 1
            easeInOutExpo = c / 2 * (-Math.Pow(2, -10 * t) + 2) + b
        End If
 
    End Function
 
    Shared Function easeInCirc(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = t / d
        easeInCirc = -c * (Math.Sqrt(1 - (t * t)) - 1) + b
 
    End Function
 
    Shared Function easeOutCirc(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = t / d - 1
        easeOutCirc = c * Math.Sqrt(1 - (t * t)) + b
 
    End Function
 
    Shared Function easeInOutCirc(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        t = 2 * t / d
        If t < 1 Then
            easeInOutCirc = -c / 2 * (Math.Sqrt(1 - t * t) - 1) + b
        Else
            t = t - 2
            easeInOutCirc = c / 2 * (Math.Sqrt(1 - t * t) + 1) + b
        End If
 
    End Function
 
    Shared Function easeInElastic(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        Dim s As Double = 1.70158
        Dim p As Double = 0
        Dim a As Double = c
 
        If t = 0 Then
            easeInElastic = b
            Exit Function
        End If
 
        t = t / d
        If t = 1 Then
            easeInElastic = b + c
            Exit Function
        End If
 
        p = d * 0.3
 
        If (a < Math.Abs(c)) Then
            a = c
            s = p / 4
        Else
            s = p / (2 * Math.PI) * Math.Asin(c / a)
        End If
 
        t = t - 1
        easeInElastic = -(a * Math.Pow(2, 10 * t) * Math.Sin((t * d - s) * (2 * Math.PI) / p)) + b
 
    End Function
 
    Shared Function easeOutElastic(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        Dim s As Double = 1.70158
        Dim p As Double = 0
        Dim a As Double = c
 
        If t = 0 Then
            easeOutElastic = b
            Exit Function
        End If
 
        t = t / d
        If t = 1 Then
            easeOutElastic = b + c
            Exit Function
        End If
 
        p = d * 0.3
 
        If (a < Math.Abs(c)) Then
            a = c
            s = p / 4
        Else
            s = p / (2 * Math.PI) * Math.Asin(c / a)
        End If
 
        easeOutElastic = a * Math.Pow(2, -10 * t) * Math.Sin((t * d - s) * (2 * Math.PI) / p) + c + b
 
    End Function
 
    Shared Function easeInOutElastic(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        Dim s As Double = 1.70158
        Dim p As Double = 0
        Dim a As Double = c
 
        If t = 0 Then
            easeInOutElastic = b
            Exit Function
        End If
 
        t = 2 * t / d
        If t = 2 Then
            easeInOutElastic = b + c
            Exit Function
        End If
 
        p = d * 0.3 * 1.5
 
        If (a < Math.Abs(c)) Then
            a = c
            s = p / 4
        Else
            s = p / (2 * Math.PI) * Math.Asin(c / a)
        End If
 
        If t < 1 Then
            t = t - 1
            easeInOutElastic = -0.5 * (a * Math.Pow(2, 10 * t) * Math.Sin((t * d - s) * (2 * Math.PI) / p)) + b
        Else
            t = t - 1
            easeInOutElastic = a * Math.Pow(2, -10 * t) * Math.Sin((t * d - s) * (2 * Math.PI) / p) * 0.5 + c + b
        End If
 
    End Function
 
    Shared Function easeInBack(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        Dim s As Double
        s = 1.70158
        t = t / d
        easeInBack = c * t * t * ((s + 1) * t - s) + b
 
    End Function
 
    Shared Function easeOutBack(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        Dim s As Double
        s = 1.70158
        t = t / d - 1
        easeOutBack = c * (t * t * ((s + 1) * t + s) + 1) + b
 
    End Function
 
    Shared Function easeInOutBack(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        Dim s As Double
        s = 1.70158
 
        t = 2 * t / d
 
        If t < 1 Then
            s = s * 1.525
            easeInOutBack = c / 2 * (t * t * (((s) + 1) * t - s)) + b
        Else
            t = t - 2
            easeInOutBack = c / 2 * ((t) * t * (((s) + 1) * t + s) + 2) + b
        End If
 
    End Function
 
    Shared Function easeInBounce(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        easeInBounce = c - easeOutBounce(d - t, 0, c, d) + b
 
    End Function
 
    Shared Function easeOutBounce(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        If (t / d) < (1 / 2.75) Then
 
            t = t / d
 
            easeOutBounce = c * (7.5625 * t * t) + b
 
        ElseIf t < (2 / 2.75) Then
 
            t = t - (1.5 / 2.75)
 
            easeOutBounce = c * (7.5625 * t * t + 0.75) + b
 
        ElseIf t < (2.5 / 2.75) Then
 
            t = t - (2.25 / 2.75)
            easeOutBounce = c * (7.5625 * t * t + 0.9375) + b
 
        Else
 
            t = t - (2.625 / 2.75)
 
            easeOutBounce = c * (7.5625 * t * t + 0.984375) + b
 
        End If
 
    End Function
 
    Shared Function easeInOutBounce(ByVal t As Double, ByVal b As Double, ByVal c As Double, ByVal d As Double) As Double
 
        If t < d / 2 Then
            easeInOutBounce = easeInBounce(t * 2, 0, c, d) * 0.5 + b
        Else
            easeInOutBounce = easeOutBounce(t * 2 - d, 0, c, d) * 0.5 + c * 0.5 + b
        End If
 
    End Function
 
End Class