How to call paint even on mouse event?

Private Sub VideoPaint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles picOriginal.Paint

    Dim g As Graphics = e.Graphics
    Dim recta As Rectangle = New Rectangle(Xx(1), yy(1), hh(1), www(0))
    Dim pen As Pen = New Pen(Color.FromArgb(128, 32, 100, 200), 1)
    Dim b As Brush = New SolidBrush(pen.Color)

    g.FillRectangle(b, recta)


End Sub

Private Sub picOriginal_MouseUp(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles picOriginal.MouseUp
  
CALL PAINT EVENT?

 Catch ex As Exception
            Exit Sub

        End Try
En sub