float YRange = 500;                                                           //Y轴最大范围(0-500)
        public void Init()
        {
            int width  = (int)this.ActualWidth;
            int height = (int)this.ActualHeight;

            if (width > 0 && height > 0)
            {
                //wBitmap = new WriteableBitmap(width, height, 72, 72, PixelFormats.Bgr24, null);
                //DisplayImage.Source = wBitmap;

                graphEdit = new GraphChart(width, height, boardColor);

                graphEdit.HorizontalMargin = 50;                                         //横水平边距

                graphEdit.VerticalMargin = 80;                                           //竖垂直边距

                graphEdit.AreasColor = System.Drawing.Color.FromArgb(100, 0, 0, 0);      //画图区域颜色

                graphEdit.GraphColor = System.Drawing.Color.FromArgb(255, 110, 176);     //曲线面积颜色

                graphEdit.AxisColor = System.Drawing.Color.FromArgb(255, 255, 255);      //坐标轴颜色

                graphEdit.ScaleColor = System.Drawing.Color.FromArgb(20, 255, 255, 255); //刻度线颜色



                graphEdit.XScaleCount = 24;          //X轴刻度线数量

                graphEdit.YScaleCount = 10;          //Y轴刻度线数量
            }
        }
        //WriteableBitmap wBitmap;
        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            //mychart.Init();

            int width  = (int)chart.ActualWidth;
            int height = (int)chart.ActualHeight;

            if (width > 0 && height > 0)
            {
                DisplayImage.Width  = width;
                DisplayImage.Height = height;

                //wBitmap = new WriteableBitmap(width, height, 72, 72, PixelFormats.Bgr24, null);
                //DisplayImage.Source = wBitmap;

                graphEdit = new GraphChart(width, height, boardColor);

                graphEdit.HorizontalMargin = 50;                                         //横水平边距

                graphEdit.VerticalMargin = 80;                                           //竖垂直边距

                graphEdit.AreasColor = System.Drawing.Color.FromArgb(100, 0, 0, 0);      //画图区域颜色

                graphEdit.GraphColor = System.Drawing.Color.FromArgb(255, 110, 176);     //曲线面积颜色

                graphEdit.AxisColor = System.Drawing.Color.FromArgb(255, 255, 255);      //坐标轴颜色

                graphEdit.ScaleColor = System.Drawing.Color.FromArgb(20, 255, 255, 255); //刻度线颜色



                graphEdit.XScaleCount = 24;          //X轴刻度线数量

                graphEdit.YScaleCount = 10;          //Y轴刻度线数量
            }
        }