場景

在使用ZedGraph時，經常有圖形選項功能，設置曲線圖相關屬性后，

點擊保存會設置另一個窗體的屬性并刷新圖。

效果

?

實現

在設置圖形的選項的類中，聲明委托和事件

//委托的定義 public delegate void ReloadPanelDelegete(); //事件聲明 public static event ReloadPanelDelegete reloadPanelEvent;

在當前窗體的確定按鈕的點擊事件中

將相關曲線圖的Y軸以及X軸的相關屬性存到xml配置文件中，然后調用方法

去刷新曲線圖，使其重新加載。

private void confirmbButton_Click(object sender, EventArgs e){#region 獲取X軸的屬性并賦值給XAxisModel//對X軸的屬性配置文件進行保存//根據控件的 System.Windows.Forms.Control.Name 屬性搜索控件并生成由所有匹配項組成的數組。//如果搜索所有子控件，則為 true；否則為 false。XAxisModel xAxisModel = new XAxisModel();//獲取標題RadioGroup radioGroupX = this.Controls.Find("radioGroupX", true)[0] as RadioGroup;xAxisModel.Title = radioGroupX.Text;//獲取下限TextEdit minTextEditX = this.Controls.Find("minTextEditX", true)[0] as TextEdit;xAxisModel.Min = Double.Parse(minTextEditX.Text);//獲取上限TextEdit maxTextEditX = this.Controls.Find("maxTextEditX", true)[0] as TextEdit;xAxisModel.Max = Double.Parse(maxTextEditX.Text);//獲取顏色ColorEdit colorEditX = this.Controls.Find("colorEditX", true)[0] as ColorEdit;xAxisModel.Color = colorEditX.Text;#endregion#region 將X軸的屬性存到配置文件中Boolean isWriteX = ChartOptionHelper.setXAxisAttribute(xAxisModel);#endregion#region 獲取Y軸屬性并賦值給List<YAxisModel>List<YAxisModel> yAxisModelList = new List<YAxisModel>();for (int i = 1; i <= yAxisCount; i++){YAxisModel yAxisModel = new YAxisModel();//獲取標題RadioGroup radioGroupY = this.Controls.Find("radioGroupY" + i, true)[0] as RadioGroup;yAxisModel.Title = radioGroupY.Text;//獲取下限TextEdit minTextEditY = this.Controls.Find("minTextEditY" + i, true)[0] as TextEdit;yAxisModel.Min = Double.Parse(minTextEditY.Text);//獲取上限TextEdit maxTextEditY = this.Controls.Find("maxTextEditY" + i, true)[0] as TextEdit;yAxisModel.Max = Double.Parse(maxTextEditY.Text);//獲取顏色ColorEdit colorEditY = this.Controls.Find("colorEditY" + i, true)[0] as ColorEdit;yAxisModel.Color = colorEditY.Text;yAxisModelList.Add(yAxisModel);}#endregion#region 將Y軸的屬性存到配置文件中Boolean isWriteY = ChartOptionHelper.setYAxisAttribute(yAxisModelList);#endregion#region 彈出對話框并設置點擊確定之后的事件if (isWriteX == true && isWriteY == true){if (this.Confirm("保存成功") == DialogResult.OK){//將是否第一次打開軟件的標識量改為0，,下次打開直接讀取配置文件Global.isFirstOpen = 0;if (reloadPanelEvent != null){reloadPanelEvent();}this.Dispose();}}else{DevExpress.XtraEditors.XtraMessageBox.Show("保存失敗", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);}#endregion}

然后在曲線圖顯示的窗體中訂閱事件

Dialog.ChartOption.reloadPanelEvent += new Dialog.ChartOption.ReloadPanelDelegete(reloadPanel);

其中左邊的類是上面圖形選項的類，右邊的類是窗體顯示的類

然后在窗體顯示的類中新建圖上面ReloadPanelDelegete的參數同名的方法reloadPanel實現曲線圖的刷新。

public void reloadPanel(){//聲明pane對象GraphPane myPane = new GraphPane();//獲取控件的PanemyPane = this.zedGraphControl1.GraphPane;#region 從配置文件中加載并設置X軸屬性//獲取X軸屬性XAxisModel xAttribute = ChartOptionHelper.getXAxisAttribute(Global.RADIO_GROUP_YAXIS_FILEPATH_X);myPane.XAxis.Title.Text = xAttribute.Title;myPane.XAxis.Color = System.Drawing.ColorTranslator.FromHtml(xAttribute.Color);myPane.XAxis.Scale.Min = xAttribute.Min;myPane.XAxis.Scale.Max = xAttribute.Max;#endregion//獲取配置文件加載的Y軸的listList<YAxisModel> yLoadList = ChartOptionHelper.getYAxisList(Global.RADIO_GROUP_YAXIS_FILEPATH);//用來存儲標題不為空的listList<YAxisModel> yList = new List<YAxisModel>();foreach (YAxisModel yAxisModel in yLoadList){if (!yAxisModel.Title.Equals("")){yList.Add(yAxisModel);}}//根據數量生成Y軸//說明選擇全是空標題if (yList.Count == 0){//設置X軸標題myPane.XAxis.Title.Text = "時間";//X軸線的顏色myPane.XAxis.Color = Color.Black;//設置第一條Y軸標題myPane.YAxis.Title.Text = "Y1";this.zedGraphControl1.Invalidate();}else if (yList.Count == 1){//設置第一條Y軸標題myPane.YAxis.Title.Text = yList[0].Title;myPane.YAxis.Scale.Min = yList[0].Min;myPane.YAxis.Scale.Max = yList[0].Max;myPane.YAxis.Color = System.Drawing.ColorTranslator.FromHtml(yList[0].Color);myPane.Y2Axis.Title.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[0].Color);myPane.YAxis.Scale.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[0].Color);this.zedGraphControl1.Invalidate();}else if (yList.Count == 2){//設置第一條Y軸標題myPane.YAxis.Title.Text = yList[0].Title;myPane.YAxis.Scale.Min = yList[0].Min;myPane.YAxis.Scale.Max = yList[0].Max;myPane.YAxis.Color = System.Drawing.ColorTranslator.FromHtml(yList[0].Color);myPane.YAxis.Color = System.Drawing.ColorTranslator.FromHtml(yList[0].Color);myPane.Y2Axis.Title.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[0].Color);//第二條Y軸標題myPane.Y2Axis.Title.Text = yList[1].Title;//第二條Y軸下限myPane.Y2Axis.Scale.Min = yList[1].Min;//第二條Y軸上限myPane.Y2Axis.Scale.Max = yList[1].Max;//設置顏色myPane.Y2Axis.Color = System.Drawing.ColorTranslator.FromHtml(yList[1].Color);//設置刻度線字體顏色myPane.Y2Axis.Scale.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[1].Color);//設置標題字體顏色myPane.Y2Axis.Title.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[1].Color);//標題大小myPane.Y2Axis.Title.FontSpec.Size = Global.FONT_SIZE;myPane.Y2Axis.Title.FontSpec.Family = Global.FONT_FAMILY;myPane.Y2Axis.Title.FontSpec.IsBold = false;//顯示小刻度 是false則看不到效果myPane.Y2Axis.MinorGrid.IsVisible = true;//設置Y軸刻度線字體大小myPane.Y2Axis.Scale.FontSpec.Size = Global.FONT_SIZE;//讓第二條Y軸顯示myPane.Y2Axis.IsVisible = true;this.zedGraphControl1.Invalidate();}//否則就是新增第三條及以上else{//設置第一條Y軸標題myPane.YAxis.Title.Text = yList[0].Title;myPane.YAxis.Scale.Min = yList[0].Min;myPane.YAxis.Scale.Max = yList[0].Max;myPane.YAxis.Scale.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[0].Color);myPane.YAxis.Color = System.Drawing.ColorTranslator.FromHtml(yList[0].Color);//第二條Y軸標題myPane.Y2Axis.Title.Text = yList[1].Title;myPane.Y2Axis.Title.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[0].Color);//第二條Y軸下限myPane.Y2Axis.Scale.Min = yList[1].Min;//第二條Y軸上限myPane.Y2Axis.Scale.Max = yList[1].Max;//設置顏色myPane.Y2Axis.Color = System.Drawing.ColorTranslator.FromHtml(yList[1].Color);//設置刻度線字體顏色myPane.Y2Axis.Scale.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[1].Color);//設置標題字體顏色myPane.Y2Axis.Title.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[1].Color);//標題大小myPane.Y2Axis.Title.FontSpec.Size = Global.FONT_SIZE;myPane.Y2Axis.Title.FontSpec.Family = Global.FONT_FAMILY;myPane.Y2Axis.Title.FontSpec.IsBold = false;//顯示小刻度 是false則看不到效果myPane.Y2Axis.MinorGrid.IsVisible = true;//設置Y軸刻度線字體大小myPane.Y2Axis.Scale.FontSpec.Size = Global.FONT_SIZE;//讓第二條Y軸顯示myPane.Y2Axis.IsVisible = true;#region 第一次加載其他的Y軸，要在Y軸的List中add進Y軸//說明是第一次加載其他的Y軸，要在Y軸的List中add進Y軸if (myPane.YAxisList.Count == 1){//循環剩下的Y軸并顯示for (int i = 2; i < yList.Count; i++){YAxis yAxisNew = new YAxis(yList[i].Title);yAxisNew.Scale.Min = yList[i].Min;yAxisNew.Scale.Max = yList[i].Max;//設置Y軸顏色yAxisNew.Color = System.Drawing.ColorTranslator.FromHtml(yList[i].Color);//設置刻度線字體顏色yAxisNew.Scale.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[i].Color);//設置標題字體顏色yAxisNew.Title.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[i].Color);yAxisNew.Type = AxisType.Text;//顯示小刻度 是false則看不到效果yAxisNew.MinorGrid.IsVisible = true;//關閉相反的tics，使y2 tics不會顯示在y軸上yAxisNew.MajorTic.IsInside = true;yAxisNew.MinorTic.IsInside = true;yAxisNew.MajorTic.IsOpposite = true;yAxisNew.MinorTic.IsOpposite = true;yAxisNew.Title.FontSpec.Family = Global.FONT_FAMILY;yAxisNew.Title.FontSpec.Size = Global.FONT_SIZE;yAxisNew.Title.FontSpec.IsBold = false;//設置Y軸刻度線字體大小yAxisNew.Scale.FontSpec.Size = Global.FONT_SIZE;//添加到Y軸的listmyPane.YAxisList.Add(yAxisNew);}}#endregionelse{//循環剩下的Y軸并顯示for (int i = 1; i < myPane.YAxisList.Count; i++){myPane.YAxisList[i].Scale.Min = yList[i+1].Min;myPane.YAxisList[i].Scale.Max = yList[i + 1].Max;//設置Y軸顏色myPane.YAxisList[i].Color = System.Drawing.ColorTranslator.FromHtml(yList[i+1].Color);//設置刻度線字體顏色myPane.YAxisList[i].Scale.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[i + 1].Color);//設置標題字體顏色myPane.YAxisList[i].Title.FontSpec.FontColor = System.Drawing.ColorTranslator.FromHtml(yList[i + 1].Color);myPane.YAxisList[i].Type = AxisType.Text;//顯示小刻度 是false則看不到效果myPane.YAxisList[i].MinorGrid.IsVisible = true;//關閉相反的tics，使y2 tics不會顯示在y軸上myPane.YAxisList[i].MajorTic.IsInside = true;myPane.YAxisList[i].MinorTic.IsInside = true;myPane.YAxisList[i].MajorTic.IsOpposite = true;myPane.YAxisList[i].MinorTic.IsOpposite = true;myPane.YAxisList[i].Title.FontSpec.Family = Global.FONT_FAMILY;myPane.YAxisList[i].Title.FontSpec.Size = Global.FONT_SIZE;myPane.YAxisList[i].Title.FontSpec.IsBold = false;//設置Y軸刻度線字體大小myPane.YAxisList[i].Scale.FontSpec.Size = Global.FONT_SIZE;}}this.zedGraphControl1.Invalidate();}}

注：

1.mypane是ZedGraph的面板，其默認是有一條Y軸對象的，為myPane.YAxis

2.如果要顯示第二條Y軸，ZedGraph是默認存在第二條Y軸的，為myPane.Y2Axis，不過就是默認不顯示，要使其顯示，需要

myPane.Y2Axis.IsVisible = true;

3.如果是三條以上Y軸的話，就要使用

myPane.YAxisList.Add(yAxisNew);

加入其Y軸的list。

4.這里的需求是首次打開默認加載一條Y軸，所以在首次加載時判斷

myPane.YAxisList.Count == 1，其自己的List是否為1，為1則代表是首次加載，下次再設置并加載時，其list就不為1了。所以需要是設置，而不是再往list中新增了。

5.需要注意的是，如果顯示4條Y軸的話，其myPane.YAxisList.Count為3，,一條是不算在內的。

6.刷新曲線圖的代碼

this.zedGraphControl1.Invalidate();

注：

博客主頁：
https://blog.csdn.net/badao_liumang_qizhi
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