場景

Winforn中設置ZedGraph曲線圖的屬性、坐標軸屬性、刻度屬性：

https://blog.csdn.net/BADAO_LIUMANG_QIZHI/article/details/100112573

在上面實現曲線縮放效果之后，實現一鍵復原的效果。

效果

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實現

拖拽按鈕，雙擊進入其點擊事件

? private void button7_Click(object sender, EventArgs e){//一鍵復原縮放this.zedGraphControl1.ZoomOutAll(myPane);}

完整示例代碼

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; using ZedGraph;namespace ZedGraphTest {public partial class Form1 : Form{GraphPane myPane = new GraphPane();public Form1(){InitializeComponent();//Form1初始化后創建設置控件的方法并將當前ZedGraph控件傳遞createPane(zedGraphControl1);}//需要引入命名空間--using ZedGraph;public void createPane(ZedGraphControl zgc){myPane = zgc.GraphPane;//設置圖表標題 和 x y 軸標題myPane.Title.Text = "霸道測試標題";myPane.XAxis.Title.Text = "X軸標題";myPane.YAxis.Title.Text = "Y軸標題";//更改標題的字體FontSpec myFont = new FontSpec("Arial",16,Color.Black,false,false,false);myPane.XAxis.Title.FontSpec = myFont;myPane.YAxis.Title.FontSpec = myFont;// 造一些數據，PointPairList里有數據對x，y的數組Random y = new Random();PointPairList list1 = new PointPairList();for (int i = 0; i < 36; i++){double x = i;double y1 = y.NextDouble() * 1000;list1.Add(x, y1); //添加一組數據}// 用list1生產一條曲線，標注是“曲線1”//SymbolType，枚舉代表曲線的樣式//Square = 0,//Diamond = 1,//Triangle = 2,//Circle = 3,//XCross = 4,//Plus = 5,//Star = 6,//TriangleDown = 7,//HDash = 8,//VDash = 9,//UserDefined = 10,//Default = 11,//None = 12,LineItem myCurve = myPane.AddCurve("曲線1", list1, Color.Red, SymbolType.None);//填充圖表顏色myPane.Fill = new Fill(Color.White, Color.LightGray, 45.0f);//以上生成的圖標X軸為數字，下面將轉換為日期的文本string[] labels = new string[36];for (int i = 0; i < 36; i++){labels[i] = System.DateTime.Now.AddDays(i).ToShortDateString();}#region 坐標軸屬性設置//X軸類型myPane.XAxis.Type = AxisType.Text;??//顯示小刻度 是false則看不到效果myPane.XAxis.MinorGrid.IsVisible = true;//線的顏色myPane.XAxis.Color = Color.Black;//點線中點與點之間的間隔myPane.XAxis.MinorGrid.DashOff = 1f;//點線中點的長度myPane.XAxis.MinorGrid.DashOn = 1f;//畫筆寬度myPane.XAxis.MinorGrid.PenWidth = 1f;#endregion#region 坐標軸上刻度線設置//X軸文本取值myPane.XAxis.Scale.TextLabels = labels;//第一個刻度從哪里開始myPane.XAxis.Scale.BaseTic = 1;//刻度值的字體屬性myPane.XAxis.Scale.FontSpec = myFont;#endregion//畫到zedGraphControl1控件中，此句必加zgc.AxisChange();//在數據變化時繪圖//更新圖表zedGraphControl1.Invalidate();//重繪控件Refresh();#region 屬性設置//是否允許橫向縮放this.zedGraphControl1.IsEnableHZoom = true;//是否允許縱向縮放this.zedGraphControl1.IsEnableVZoom = true;//是否允許縮放this.zedGraphControl1.IsEnableZoom = true;//是否顯示右鍵菜單this.zedGraphControl1.IsShowContextMenu = true;//復制圖像時是否顯示提示信息this.zedGraphControl1.IsShowCopyMessage = true;//鼠標在圖表上移動時是否顯示鼠標所在點對應的坐標 默認為falsethis.zedGraphControl1.IsShowCursorValues = true;//是否顯示橫向滾動條this.zedGraphControl1.IsShowHScrollBar = true;//是否顯示縱向滾動條this.zedGraphControl1.IsShowVScrollBar = true;//鼠標經過圖表上的點時是否顯示該點所對應的值 默認為falsethis.zedGraphControl1.IsShowPointValues = true;//使用滾輪時以鼠標所在點為中心進行縮放還是以圖形中心進行縮放//this.zedGraphControl1.IsZoomOnMouseCenter = true;#endregionthis.zedGraphControl1.ContextMenuBuilder += MyContextMenuBuilder;}private void zedGraphControl1_Load(object sender, EventArgs e){}/// <summary>/// 打印預覽/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button1_Click(object sender, EventArgs e){this.zedGraphControl1.DoPrintPreview();}//復制到剪切板private void button2_Click(object sender, EventArgs e){//ture代表復制成功提示this.zedGraphControl1.Copy(true);}/// <summary>/// 獲取圖片并保存/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button3_Click(object sender, EventArgs e){//獲取圖像Image image = this.zedGraphControl1.GetImage();//保存照片嗎，指定保存路徑image.Save(@"C:\Users\HAOHAO\Desktop\1.png");//彈窗提示MessageBox.Show("保存成功");}/// <summary>/// 顯示另存為對話框/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button4_Click(object sender, EventArgs e){this.zedGraphControl1.SaveAs();}/// <summary>/// 另存為BMP文件/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button5_Click(object sender, EventArgs e){this.zedGraphControl1.SaveAsBitmap();}/// <summary>/// 另存為EMF文件/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button6_Click(object sender, EventArgs e){this.zedGraphControl1.SaveAsEmf();}/// <summary>/// 一鍵復原/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button7_Click(object sender, EventArgs e){//一鍵復原縮放this.zedGraphControl1.ZoomOutAll(myPane);}//右擊菜單變中文private static void MyContextMenuBuilder(ZedGraphControl control, ContextMenuStrip menuStrip,Point mousePt, ZedGraphControl.ContextMenuObjectState objState){foreach (ToolStripMenuItem item in menuStrip.Items){switch (item.Name){case "copied_to_clip":item.Text = @"復制到剪貼板";break;case "copy":item.Text = @"復制";break;case "page_setup":item.Text = @"頁面設置...";break;case "print":item.Text = @"打印...";break;case "save_as":item.Text = @"另存圖表...";break;case "set_default":item.Text = @"恢復默認大小";break;case "show_val":item.Text = @"顯示節點數值";break;case "title_def":item.Text = @"標題";break;case "undo_all":item.Text = @"還原縮放/移動";break;case "unpan":item.Text = @"還原移動";break;case "unzoom":item.Text = @"還原縮放";break;case "x_title_def":item.Text = @"X 軸";break;case "y_title_def":item.Text = @"Y 軸";break;}}}} }

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