Map.Controls/MapControl/Gauge.xaml.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Shapes;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Animation;

namespace DataDisplay.Control.Control
{
    [TemplatePart(Name = "LayoutRoot", Type = typeof(Grid))]
    [TemplatePart(Name = "Pointer", Type = typeof(Path))]
    [TemplatePart(Name = "RangeIndicatorLight", Type = typeof(Ellipse))]
    [TemplatePart(Name = "PointerCap", Type = typeof(Ellipse))]
    public class Gauge : System.Windows.Controls.Control
    {
         #region Private variables

        //Private variables
        private Grid rootGrid;
        private Path rangeIndicator;
        private Path pointer;
        private Ellipse pointerCap;
        private Ellipse lightIndicator;
        private bool isInitialValueSet = false;
        private Double arcradius1;
        private Double arcradius2;
        private int animatingSpeedFactor = 6;

        #endregion

        #region Dependency properties

        /// <summary>
        /// Dependency property to Get/Set the current value 
        /// </summary>
        public static readonly DependencyProperty CurrentValueProperty =
            DependencyProperty.Register("CurrentValue", typeof(double), typeof(Gauge),
            new PropertyMetadata(Double.MinValue, new PropertyChangedCallback(Gauge.OnCurrentValuePropertyChanged)));

        /// <summary>
        /// Dependency property to Get/Set the Minimum Value 
        /// </summary>
        public static readonly DependencyProperty MinValueProperty =
            DependencyProperty.Register("MinValue", typeof(double), typeof(Gauge), null);

        /// <summary>
        /// Dependency property to Get/Set the Maximum Value 
        /// </summary>
        public static readonly DependencyProperty MaxValueProperty =
            DependencyProperty.Register("MaxValue", typeof(double), typeof(Gauge), null);

        /// <summary>
        /// Dependency property to Get/Set the Radius of the gauge
        /// </summary>
        public static readonly DependencyProperty RadiusProperty =
            DependencyProperty.Register("Radius", typeof(double), typeof(Gauge), null);