C#利用zedGraph可视化

this.zedGraphControl1.GraphPane.CurveList.Clear();
this.zedGraphControl1.GraphPane.GraphObjList.Clear();
this.zedGraphControl1.IsShowCursorValues = false;
this.zedGraphControl1.IsShowPointValues = true;//数据节点
//this.zedGraphControl1.GraphPane.Y2AxisList.Clear();
//this.zedGraphControl1.GraphPane.YAxisList.Clear();
this.zedGraphControl1.IsEnableHZoom = false;
this.zedGraphControl1.IsEnableVZoom = false;
this.zedGraphControl1.GraphPane.Title.Text = dtime.Month + "-" + dtime.Day + "至" + dtime.AddDays(1).Month + "-" + dtime.AddDays(1).Day + "整点水位预测";
//this.zedGraphControl1.GraphPane.XAxis.Type = ZedGraph.AxisType.DateAsOrdinal;
LineItem curve = this.zedGraphControl1.GraphPane.AddCurve("水位", null,listy, Color.Blue, SymbolType.None);
//显示数据
const double offset = 0.0;
this.zedGraphControl1.GraphPane.Chart.Fill = new Fill(Color.White, Color.FromArgb(255, Color.ForestGreen), 45.0F);
for (int i = 0; i < water_height.Length; i++)
{
  // Get the pointpair
  PointPair pt = curve.Points[i];
  // Create a text label from the Y data value
  TextObj text = new TextObj(pt.Y.ToString(), pt.X, pt.Y + offset, CoordType.AxisXYScale, AlignH.Center, AlignV.Bottom);

  text.ZOrder = ZOrder.A_InFront;
  // Hide the border and the fill
  text.FontSpec.Border.IsVisible = false;
  text.FontSpec.Fill.IsVisible = false;
  text.FontSpec.Angle = 1; //字体倾斜度
  text.FontSpec.Size = 13;
  text.FontSpec.FontColor = Color.Red;
  //myPane.GraphObjList.Add(text);
  this.zedGraphControl1.GraphPane.GraphObjList.Add(text);
}
this.zedGraphControl1.GraphPane.XAxis.Scale.TextLabels = labels;
this.zedGraphControl1.GraphPane.XAxis.Type = AxisType.Text;   //X轴类型
this.zedGraphControl1.AxisChange();
this.zedGraphControl1.Refresh();