wpf 环形进度条，自定义控件

using System;
using ;
using ;
using ;
using System.Net.Mail;
using ;
using ;
using System.Windows;
using ;
using ;
using ;
using ;
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using ;
using ;
using static ;

namespace DiaControlLibiray
{
    /// <summary>
    /// 的交互逻辑
    /// </summary>
    public partial class CircleProgress : UserControl
    {
        public int cycleWidth
        {
            get { return (int)GetValue(cycleWidthProperty); }
            set { SetValue(cycleWidthProperty, value); }
        }

        // Using a DependencyProperty as the backing store for cycleWidth.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty cycleWidthProperty =
            ("cycleWidth", typeof(int), typeof(CircleProgress), new PropertyMetadata(300, new PropertyChangedCallback(OnPropertyChanged)));

        public . Color cycleColor
        {
            get { return ()GetValue(cycleColorProperty); }
            set { SetValue(cycleColorProperty, value); }
        }

        // Using a DependencyProperty as the backing store for cycleColor.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty cycleColorProperty =
            ("cycleColor", typeof(), typeof(CircleProgress), new PropertyMetadata(   ,new PropertyChangedCallback(OnPropertyChanged)));

        public int cycleHeight
        {
            get { return (int)GetValue(cycleHeightProperty); }
            set { SetValue(cycleHeightProperty, value); }
        }

        // Using a DependencyProperty as the backing store for cycleHeight.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty cycleHeightProperty =
            ("cycleHeight", typeof(int), typeof(CircleProgress), new PropertyMetadata(300, new PropertyChangedCallback(OnPropertyChanged)));

        public int Percent
        {
            get { return (int)GetValue(PercentProperty); }
            set { SetValue(PercentProperty, value); }
        }

        // Using a DependencyProperty as the backing store for Percent.  This enables animation, styling, binding, etc...
        public static readonly DependencyProperty PercentProperty =
            ("Percent", typeof(int), typeof(CircleProgress), new PropertyMetadata(60, new PropertyChangedCallback(OnPropertyChanged)));
        public CircleProgress()
        {
            InitializeComponent();
            // = new SolidColorBrush((,,));
            // = new SolidColorBrush();
            Update();
        }
        public static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            (d as CircleProgress).Update();
        }
        public void Update()
        {
            double Angle = Percent * 3.6 * / 180;
            = Percent + "%";
            string data = "M{0} {1} A{2} {2} 0 0 1 {3} {4} ";
            if (Percent > 50) data = "M{0} {1} A{2} {2} 0 1 1 {3} {4} ";
            if (Percent >= 100)
            {

                data = "M{0} {1} A{2} {2} 0 1 1 {3} {4} Z";
                Angle = 270;
            }

            double endpointX = (cycleWidth / 2 + (Angle) * cycleWidth / 2, 2);
            double endpointY = 0;
            //if(Percent<90)
            endpointY = (cycleHeight / 2 - (Angle) * cycleHeight / 2, 2);
            //if(Percent>90&&Percent<180)
            //    endpointY= (cycleHeight / 2+(Angle) *(cycleHeight/2),2);
            data = (data, cycleWidth / 2, 0, cycleWidth / 2, endpointX, endpointY);
            = (data);
            http:// /attachment/201201/0_1325414042qvFL.gif & pos_id = c8oIyUjE
        }

    }
}

 
  <Path Stroke="#419f8b"   
        x:Name="cycleProgressPath"
        VerticalAlignment="Center"
        HorizontalAlignment="Center"
       
        Width="310"
        Height="310"
        StrokeThickness="10"
        Data="">
      
  </Path>
  <TextBlock  x:Name="txtPercent" Text="60%" FontSize="33" VerticalAlignment="Center" HorizontalAlignment="Center"></TextBlock>