C# Wince 曲线控件（只有代码，仅供参考）

工作中要画曲线，无奈网上寻找，终于找到叶兄的这个例子，真的很不错
由于脑子记不住，且环境不允许我用别的方法记录下我的工作内容，只能写这个以备不时之需

namespace YFCurve
{
    public partial class YFCurve : UserControl
    {
        #region 属性;
        public System.Drawing.Bitmap pb_Bitmap;
        public Graphics pb_Graphics;
        public Rectangle Rect
        {
            get { return new Rectangle(0,0,this.Size.Width,this.Size.Height); }
            set { this.Size= value.Size; }
        }

        //线的类型
        public DashStyle lineBorderStyle = DashStyle.Solid;
        public int lineBorderWidth = 2;                                             //线的宽度
        public int FillType = 0;                                                    //填充类型 0 实心 1 空心

        public int mFillColor = Color.Blue.ToArgb();                                //填充色
        public int mBorderColor = Color.Black.ToArgb();                             //边框色
        public Color FillColor
        {
            get { return Color.FromArgb(mFillColor); }
            set { mFillColor = ((Color)value).ToArgb(); this.Refresh(); }
        }
        public Color BorderColor
        {

            get { return Color.FromArgb(mBorderColor); }
            set { mBorderColor = ((Color)value).ToArgb(); this.Refresh(); }
        }

        private bool bUpDataFlag = true;    //更新数据标志
        private DateTime CurrentTime;
     
        //TimeRange属性：类型：整形，单位：秒；时间范围，该属性表示实施趋势曲线的时间范围。
        private int mTimeRange = 60;
        public int TimeRange
        {
            get { return mTimeRange; }
            set
            {
                mTimeRange = value;
                if (mTimeRange <= 0) mTimeRange = 1;//范围约束；
                this.Refresh();
            }
        }

       //ScanPeriod属性：扫描周期；类型：整形，单位：秒；表示实时趋势曲线每隔多长时间采样；
        private int mScanPeriod = 1;
        public int ScanPeriod
        {
            get
            {
                if (mScanPeriod > mTimeRange) mScanPeriod = mTimeRange;
                return mScanPeriod;
            }
            set