VSC# ArcGIS 二次开发--出图工具：添加图名、比例尺、指北针、图例，导出图片或文件、打印地图

这是我们GIS课程的结课作业，只能说，大心血

链接在最后，但是还是希望大家可以看看代码，可以留言相互交流学习。

 

目录

链接在最后，但是还是希望大家可以看看代码，可以留言相互交流学习。

添加图名

指北针

比例尺（类似指北针。从样式库里添加）

图例

指北针窗体

导出地图

打印地图

 

---

添加图名

public void AddTitle(IPageLayout pageLayout, String s)
        {
            //找到PageLayout
            IPageLayout pPageLayout = mainPageLayoutControl1.PageLayout;
            //找到元素容器
            IGraphicsContainer pGraphicsContainer = pPageLayout as IGraphicsContainer;
            //创建元素
            ITextElement pTextElement = new TextElementClass();
            pTextElement.Text = s;
            ITextSymbol pTextSymbol = new TextSymbolClass();//Text的符号样式
            pTextSymbol.Size = 30;
            pTextSymbol.Color = GetRGB(0, 0, 0);
            pTextElement.Symbol = pTextSymbol;
            //设置位置                        
            IElement pElement = pTextElement as IElement;
            pElement.Geometry = mainPageLayoutControl1.TrackRectangle();
            //将元素添加到容器中
            pGraphicsContainer.AddElement(pElement, 0);
            //刷新
            mainPageLayoutControl1.Refresh();
}

 

指北针

 IMapFrame pMapFrame = ((IActiveView)this.mainPageLayoutControl1.PageLayout).GraphicsContainer.FindFrame(this.mainPageLayoutControl1.ActiveView.FocusMap) as IMapFrame;
               IElement pElement = pMapFrame as IElement;
       
            UID pID = new UIDClass();
            pID.Value = "esriCarto.MarkerNorthArrow";

            IEnvelope pEnv = new EnvelopeClass();
            pEnv.PutCoords(16, 24, 22, 26);

            AddNorthArrow NForm = new AddNorthArrow(mainPageLayoutControl1.ActiveView, esriSymbologyStyleClass.esriStyleClassNorthArrows);//axPageLayoutControl1.ActiveView, esriSymbologyStyleClass.esriStyleClassNorthArrows
            NForm.ShowDialog();
            IStyleGalleryItem styleGalleryItem = NForm.m_styleGalleryItem;
            NForm.Dispose();
            if (styleGalleryItem == null) return;

            IMapSurround pMapSurround = this.CreateSurround(pID, pEnv, styleGalleryItem, pMapFrame, this.mainPageLayoutControl1.PageLayout);
            this.mainPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);

比例尺（类似指北针。从样式库里添加）

 IMapFrame pMapFrame = ((IActiveView)this.mainPageLayoutControl1.PageLayout).GraphicsContainer.FindFrame(this.mainPageLayoutControl1.ActiveView.FocusMap) as IMapFrame;
            IElement pElement = pMapFrame as IElement;
            
            UID pID = new UIDClass();
            pID.Value = "esriCarto.ScaleLine";

            IEnvelope pEnv = new EnvelopeClass();
            pEnv.PutCoords(2, 3, 3, 5);

            AddScalebar SForm = new AddScalebar(mainPageLayoutControl1.ActiveView, esriSymbologyStyleClass.esriStyleClassScaleBars);
            SForm.ShowDialog();
            IStyleGalleryItem styleGalleryItem = SForm.m_styleGalleryItem;
            SForm.Dispose();
            if (styleGalleryItem == null) return;

            IMapSurround pMapSurround = this.CreateSurround(pID, pEnv, styleGalleryItem, pMapFrame, this.mainPageLayoutControl1.PageLayout);
            this.mainPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);

图例

 public void AddLegend(IPageLayout pageLayout)
        {
            //获取axPageLayoutControl1的图形容器
            IGraphicsContainer graphicsContainer = mainPageLayoutControl1.GraphicsContainer;
            //获取axPageLayoutControl1空间里面显示的地图图层
            IMapFrame mapFrame = (IMapFrame)graphicsContainer.FindFrame(mainPageLayoutControl1.ActiveView.FocusMap);
            if (mapFrame == null) return;
            //创建图例
            UID uID = new UIDClass();//创建UID作为该图例的唯一标识符，方便创建之后进行删除、移动等操作
            uID.Value = "esriCarto.Legend";
            IMapSurroundFrame mapSurroundFrame = mapFrame.CreateSurroundFrame(uID, null);
            if (mapSurroundFrame == null) return;
            if (mapSurroundFrame.MapSurround == null) return;
            mapSurroundFrame.MapSurround.Name = "Legend";

            IEnvelope envelope = new EnvelopeClass();
            envelope.PutCoords(16, 3, 20, 5);//设置图例摆放位置（原点在axPageLayoutControl左下角）
            IElement element = (IElement)mapSurroundFrame;
            element.Geometry = envelope;

            //将图例转化为几何要素添加到axPageLayoutControl1,并刷新页面显示
            mainPageLayoutControl1.AddElement(element, Type.Missing, Type.Missing, "Legend", 0);
            mainPageLayoutControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);

        }

 

指北针窗体

using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Geometry;
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;

namespace WindowsFormsApplication3
{
    public partial class AddNorthArrow : Form
    {
        
        private IActiveView mActiveView;
        private IFeatureLayer mFeatureLayer;
        public IStyleGalleryItem m_styleGalleryItem;
         private esriSymbologyStyleClass mStyleClass;
        public AddNorthArrow(IFeatureLayer pLayer, IActiveView pActiveView)
        {
            InitializeComponent();
            this.Text = "指北针样式选择";
            mFeatureLayer = pLayer;
            mActiveView = pActiveView;
        }
         public AddNorthArrow(IActiveView pActiveView, esriSymbologyStyleClass styleClass)
        {
            mActiveView = pActiveView;
            mStyleClass = styleClass;
            InitializeComponent();
        }

        private void Form2_Load(object sender, EventArgs e)
        {
            axSymbologyControl1.LoadStyleFile("D:\。。。。\ESRI.ServerStyle");          
            axSymbologyControl1.StyleClass = esriSymbologyStyleClass.esriStyleClassNorthArrows;
            //Select the color ramp item
            axSymbologyControl1.GetStyleClass(axSymbologyControl1.StyleClass).SelectItem(0);   
        }

        private void axSymbologyControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.ISymbologyControlEvents_OnMouseDownEvent e)
        {
        }

        private void button1_Click(object sender, EventArgs e)
        {
                        this.Hide(); 

        }

        private void button2_Click(object sender, EventArgs e)
        {
             m_styleGalleryItem = null;
            //hide the form
            this.Hide(); 
        }

        private void axSymbologyControl1_OnItemSelected(object sender, ISymbologyControlEvents_OnItemSelectedEvent e)
        {
            m_styleGalleryItem = (IStyleGalleryItem)e.styleGalleryItem;

        }
  
    }

}

导出地图

private void btnPrint_Click(object sender, EventArgs e)//点击打印Button响应
        {
            


                //创建保存文件对话框的实例
                SaveFileDialog SaveFile = new SaveFileDialog();

                
                //根据掩码文本框对对话框初始化
                switch (comboBox1.SelectedIndex)
                {
                    case 0:
                        SaveFile.Filter = "BPM文件(*.bmp)|*.bmp";
                        SaveFile.Title = "保存bmb文件";
                        break;

                    case 2:
                        SaveFile.Filter = "GIF文件(*.gif)|*.gif";
                        SaveFile.Title = "保存gif文件";
                        break;
                    case 3:
                        SaveFile.Filter = "JPG文件(*.jpeg)|*.jpeg";
                        SaveFile.Title = "保存jpg文件";
                        break;
                    case 4:
                        SaveFile.Filter = "PNG文件(*.png)|*.png";
                        SaveFile.Title = "保存png文件";
                        break;
                    case 5:
                        SaveFile.Filter = "TIFF文件(*.TIFF)|*.TIFF";
                        SaveFile.Title = "保存tiff文件";
                        break;
                    case 6:
                        SaveFile.Filter = "PDF文件(*.PDF)|*.pdf";
                        SaveFile.Title = "保存pdf文件";
                        break;
                }


                if (txtResolution.Value > 1)
                {  

                if (SaveFile.ShowDialog() == DialogResult.OK)
                {
                    //打开保存文件对话框 并选择路径和文件名
                    SaveFile.AddExtension = true;//设置为自动补充文件扩展名
                    IExport pExport;
                    switch (comboBox1.SelectedIndex)//根据掩码文本框的索引值穿件不同的pExport实例并调用Export方法
                    {
                        case 0:
                            pExport = new ExportBMPClass();
                            Export(pExport, SaveFile.FileName);
                            break;

                        case 2:
                            pExport = new ExportGIFClass();
                            Export(pExport, SaveFile.FileName);
                            break;
                        case 3:
                            pExport = new ExportJPEGClass();
                            Export(pExport, SaveFile.FileName);
                            break;
                        case 4:
                            pExport = new ExportPNGClass();
                            Export(pExport, SaveFile.FileName);
                            break;
                        case 5:
                            pExport = new ExportTIFFClass();
                            Export(pExport, SaveFile.FileName);
                            break;
                        case 6:
                            pExport = new ExportPDFClass();
                            Export(pExport, SaveFile.FileName);
                            break;


                    }

                }


                
                }

            else {

                MessageBox.Show("请输入有效数字~！", "提示", MessageBoxButtons.OK);
            
            }



        }

      

        //输出文件
        public void Export(IExport pExport, string path)
        {
            IActiveView pActiveView;
            IEnvelope pPixelBoundsEnv;
            int iOutputResolution;
            int iScreenResolution;
            int hdc;

            

           pActiveView = m_Map.ActiveView;
            pExport.ExportFileName = path;
            iScreenResolution = 96;
            iOutputResolution = 300;
            pExport.Resolution = iOutputResolution;
            tagRECT pExportFrame;
            pExportFrame = pActiveView.ExportFrame;
            tagRECT exportRECT;
            exportRECT.left = 0;
            exportRECT.top = 0;
            exportRECT.right = pActiveView.ExportFrame.right * (iOutputResolution / iScreenResolution);
            exportRECT.bottom = pActiveView.ExportFrame.bottom * (iOutputResolution / iScreenResolution);
            pPixelBoundsEnv = new EnvelopeClass();
            pPixelBoundsEnv.PutCoords(exportRECT.left, exportRECT.top, exportRECT.right, exportRECT.bottom);
            pExport.PixelBounds = pPixelBoundsEnv;
            hdc = pExport.StartExporting();
            pActiveView.Output(hdc, (int)pExport.Resolution, ref exportRECT, null, null);
            pExport.FinishExporting();
            pExport.Cleanup();
            MessageBox.Show("成功保存地图~！", "保存", MessageBoxButtons.OK);
           
        }

 

 

 

打印地图

 

AxPageLayoutControl m_Map;//新建axPageLayoutControl变量，用于接收传进来的参数
        private PageSetupDialog pageSetup=new PageSetupDialog();
        PrintDocument PD = new PrintDocument();
        private PrintDialog print=new PrintDialog();

        public PrintMap(AxPageLayoutControl m_Map)
        {
            InitializeComponent();
            this.Text = "打印地图";

            this.m_Map = m_Map;
            copy(m_Map);
           // copyMap(m_Map,axPageLayoutControl1);
            m_Map.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
        }
            
    
        
        /* public void copyMap(AxPageLayoutControl m_Map, AxPageLayoutControl axPageLayoutControl)
        { 
            IObjectCopy objectCopy = new ObjectCopy();
            object tocopyMap = m_Map.ActiveView.GraphicsContainer;
            object copiedMap = objectCopy.Copy(tocopyMap);
            object toOverwiteMap = axPageLayoutControl1.ActiveView.FocusMap;
            objectCopy.Overwrite(copiedMap, ref toOverwiteMap);
        }
       */    
        

        private void PrintMap_Load(object sender, EventArgs e)
        {
            pageSetup = new PageSetupDialog();
            //初始化页面设置对话框的页面设置属性为缺省设置
            pageSetup.PageSettings = new System.Drawing.Printing.PageSettings();
            //初始化页面设置对话框的打印机属性为缺省设置
            pageSetup.PrinterSettings = new System.Drawing.Printing.PrinterSettings();
            print = new PrintDialog();
        }

       

        private void copy(AxPageLayoutControl mainlayoutControl)
        {
            IObjectCopy objectcopy = new ObjectCopyClass();
            object tocopymap = mainlayoutControl.ActiveView.GraphicsContainer;   //获取mapcontrol中的map   这个是原始的
            object copiedmap = objectcopy.Copy(tocopymap);       //复制一份map，是一个副本
            object tooverwritemap = axPageLayoutControl1.ActiveView.GraphicsContainer;    //IActiveView.FocusMap : The map that tools and controls act on. 控件和工具作用的地图，大概是当前地图吧！！！
            objectcopy.Overwrite(copiedmap, ref tooverwritemap);


            System.Runtime.InteropServices.Marshal.ReleaseComObject(objectcopy);
            IGraphicsContainer mainGraphCon = tooverwritemap as IGraphicsContainer;
            mainGraphCon.Reset();
            IElement pElement = mainGraphCon.Next();
            IArray pArray = new ArrayClass();
            while (pElement != null)
            {
                pArray.Add(pElement);
                pElement = mainGraphCon.Next();
            }

            int pElementCount = pArray.Count;
            IPageLayout PrintPageLayout = axPageLayoutControl1.PageLayout;
            IGraphicsContainer PrintGraphCon = PrintPageLayout as IGraphicsContainer;
            PrintGraphCon.Reset();
            IElement pPrintElement = PrintGraphCon.Next();
            while (pPrintElement != null)
            {
                PrintGraphCon.DeleteElement(pPrintElement);
                pPrintElement = PrintGraphCon.Next();
            }
            for (int i = 0; i < pArray.Count; i++)
            {
                PrintGraphCon.AddElement(pArray.get_Element(pElementCount - 1 - i) as IElement, 0);
            }
            axPageLayoutControl1.Refresh();

        }

        private void button1_Click(object sender, EventArgs e)
        {
            //实例化打印设置窗口
            DialogResult result = pageSetup.ShowDialog();
            //设置打印文档对象的打印机
            PD.PrinterSettings = pageSetup.PrinterSettings;
            //设置打印文档对象的页面设置为用户在打印设置对话框中的设置
            PD.DefaultPageSettings = pageSetup.PageSettings;
            //页面设置
            int i;
            IEnumerator paperSizes = pageSetup.PrinterSettings.PaperSizes.GetEnumerator();
            paperSizes.Reset();

            for (i = 0; i < pageSetup.PrinterSettings.PaperSizes.Count; ++i)
            {
                paperSizes.MoveNext();
                if (((PaperSize)paperSizes.Current).Kind == PD.DefaultPageSettings.PaperSize.Kind)
                {
                    PD.DefaultPageSettings.PaperSize = ((PaperSize)paperSizes.Current);
                }
            }

            //初始化纸张和打印机
            IPaper paper = new PaperClass();
            IPrinter printer = new EmfPrinterClass();
            //关联打印机对象和纸张对象 
            paper.Attach(pageSetup.PrinterSettings.GetHdevmode(pageSetup.PageSettings).ToInt32(), pageSetup.PrinterSettings.GetHdevnames().ToInt32());
            printer.Paper = paper;
            axPageLayoutControl1.Printer = printer;
            pageSetup.ShowDialog();
        }

        private void btnPrint_Click(object sender, EventArgs e)
        {
            //显示帮助按钮            
            print.ShowHelp = true;
            print.Document = PD;
            //显示打印窗口
            DialogResult result = print.ShowDialog();
            // 如果显示成功，则打印.
            if (result == DialogResult.OK) PD.Print();
            Close();
        }
    }
}

比较综合。截图太多，就不放了。exe可运行，放百度网盘了。一定结合百度云的窗体，运行一下再去看代码，最后的结课报告有完整的功能介绍和运行结果截图和测试，需要的可以留言或私信。

百度云链接：

链接：https://pan.baidu.com/s/1NTFdUBJGBO69SJ3CRUKWCQ 密码：tqfp