场景

Winforn中设置ZedGraph曲线图的属性、坐标轴属性、刻度属性：

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

在上面实现曲线缩放效果之后，实现一键复原的效果。

效果

实现

拖拽按钮，双击进入其点击事件

  private void button7_Click(object sender, EventArgs e){//一键复原缩放this.zedGraphControl1.ZoomOutAll(myPane);}

完整示例代码

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初始化后创建设置控件的方法并将当前ZedGraph控件传递createPane(zedGraphControl1);}//需要引入命名空间--using ZedGraph;public void createPane(ZedGraphControl zgc){myPane = zgc.GraphPane;//设置图表标题 和 x y 轴标题myPane.Title.Text = "霸道测试标题";myPane.XAxis.Title.Text = "X轴标题";myPane.YAxis.Title.Text = "Y轴标题";//更改标题的字体FontSpec myFont = new FontSpec("Arial",16,Color.Black,false,false,false);myPane.XAxis.Title.FontSpec = myFont;myPane.YAxis.Title.FontSpec = myFont;// 造一些数据，PointPairList里有数据对x，y的数组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); //添加一组数据}// 用list1生产一条曲线，标注是“曲线1”//SymbolType，枚举代表曲线的样式//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("曲线1", list1, Color.Red, SymbolType.None);//填充图表颜色myPane.Fill = new Fill(Color.White, Color.LightGray, 45.0f);//以上生成的图标X轴为数字，下面将转换为日期的文本string[] labels = new string[36];for (int i = 0; i < 36; i++){labels[i] = System.DateTime.Now.AddDays(i).ToShortDateString();}#region 坐标轴属性设置//X轴类型myPane.XAxis.Type = AxisType.Text;  //显示小刻度 是false则看不到效果myPane.XAxis.MinorGrid.IsVisible = true;//线的颜色myPane.XAxis.Color = Color.Black;//点线中点与点之间的间隔myPane.XAxis.MinorGrid.DashOff = 1f;//点线中点的长度myPane.XAxis.MinorGrid.DashOn = 1f;//画笔宽度myPane.XAxis.MinorGrid.PenWidth = 1f;#endregion#region 坐标轴上刻度线设置//X轴文本取值myPane.XAxis.Scale.TextLabels = labels;//第一个刻度从哪里开始myPane.XAxis.Scale.BaseTic = 1;//刻度值的字体属性myPane.XAxis.Scale.FontSpec = myFont;#endregion//画到zedGraphControl1控件中，此句必加zgc.AxisChange();//在数据变化时绘图//更新图表zedGraphControl1.Invalidate();//重绘控件Refresh();#region 属性设置//是否允许横向缩放this.zedGraphControl1.IsEnableHZoom = true;//是否允许纵向缩放this.zedGraphControl1.IsEnableVZoom = true;//是否允许缩放this.zedGraphControl1.IsEnableZoom = true;//是否显示右键菜单this.zedGraphControl1.IsShowContextMenu = true;//复制图像时是否显示提示信息this.zedGraphControl1.IsShowCopyMessage = true;//鼠标在图表上移动时是否显示鼠标所在点对应的坐标 默认为falsethis.zedGraphControl1.IsShowCursorValues = true;//是否显示横向滚动条this.zedGraphControl1.IsShowHScrollBar = true;//是否显示纵向滚动条this.zedGraphControl1.IsShowVScrollBar = true;//鼠标经过图表上的点时是否显示该点所对应的值 默认为falsethis.zedGraphControl1.IsShowPointValues = true;//使用滚轮时以鼠标所在点为中心进行缩放还是以图形中心进行缩放//this.zedGraphControl1.IsZoomOnMouseCenter = true;#endregionthis.zedGraphControl1.ContextMenuBuilder += MyContextMenuBuilder;}private void zedGraphControl1_Load(object sender, EventArgs e){}/// <summary>/// 打印预览/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button1_Click(object sender, EventArgs e){this.zedGraphControl1.DoPrintPreview();}//复制到剪切板private void button2_Click(object sender, EventArgs e){//ture代表复制成功提示this.zedGraphControl1.Copy(true);}/// <summary>/// 获取图片并保存/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button3_Click(object sender, EventArgs e){//获取图像Image image = this.zedGraphControl1.GetImage();//保存照片吗，指定保存路径image.Save(@"C:\Users\HAOHAO\Desktop\1.png");//弹窗提示MessageBox.Show("保存成功");}/// <summary>/// 显示另存为对话框/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button4_Click(object sender, EventArgs e){this.zedGraphControl1.SaveAs();}/// <summary>/// 另存为BMP文件/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button5_Click(object sender, EventArgs e){this.zedGraphControl1.SaveAsBitmap();}/// <summary>/// 另存为EMF文件/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button6_Click(object sender, EventArgs e){this.zedGraphControl1.SaveAsEmf();}/// <summary>/// 一键复原/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void button7_Click(object sender, EventArgs e){//一键复原缩放this.zedGraphControl1.ZoomOutAll(myPane);}//右击菜单变中文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 = @"复制到剪贴板";break;case "copy":item.Text = @"复制";break;case "page_setup":item.Text = @"页面设置...";break;case "print":item.Text = @"打印...";break;case "save_as":item.Text = @"另存图表...";break;case "set_default":item.Text = @"恢复默认大小";break;case "show_val":item.Text = @"显示节点数值";break;case "title_def":item.Text = @"标题";break;case "undo_all":item.Text = @"还原缩放/移动";break;case "unpan":item.Text = @"还原移动";break;case "unzoom":item.Text = @"还原缩放";break;case "x_title_def":item.Text = @"X 轴";break;case "y_title_def":item.Text = @"Y 轴";break;}}}}
}

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Winform中实现ZedGraph曲线图缩放后复原功能

场景

效果

实现

完整示例代码

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