ArcEngine导出地图：功能实现与代码示例

1、前言

在利用ArcEngine导出地图的时候，一般有两种情况：全图导出和区域导出，下面分别介绍两种导出地图的方法。首先搭建如下图所示的界面：

2、全图导出

2.1、利用IPrintAndExport接口

using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Output;
using System;
using System.Text;
using System.Windows.Forms;

namespace Win
{
   
   
    public partial class MainForm : Form
    {
   
   
        public MainForm()
        {
   
   
            InitializeComponent();
            axMapControl1.LoadMxFile(@"C:\Users\DSF\Desktop\data\Untitled.mxd");
        }

        /// <summary>
        /// 导出按钮
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnExport_Click(object sender, EventArgs e)
        {
   
   
            StringBuilder filter = new StringBuilder();
            filter.Append("PDF(*.pdf)|*.pdf|");
            filter.Append("SVG(*.svg)|*.svg|");
            filter.Append("AI(*.ai)|*.ai|");
            filter.Append("EMF(*.emf)|*.emf|");
            filter.Append("EPS(*.eps)|*.eps|");
            filter.Append("BMP(*.bmp)|*.bmp|");
            filter.Append("PNG(*.png)|*.png|");
            filter.Append("JPEG(*.jpeg)|*.jpeg|");
            filter.Append("TIFF(*.tif)|*.tif|");
            filter.Append("GIF(*.gif)|*.gif");

            // 保存文件
            SaveFileDialog saveFileDialog = new SaveFileDialog();
            saveFileDialog.Title = "导出";
            saveFileDialog.Filter = filter.ToString();
            saveFileDialog.RestoreDirectory = true;
            if (saveFileDialog.ShowDialog() == DialogResult.OK)
            {
   
   
                ExportMap(saveFileDialog.FileName, 300, 1);
            }
        }

        /// <summary>
        /// 导出地图方法
        /// </summary>
        /// <param name="filePath">导出路径</param>
        /// <param name="resolution">导出分辨率</param>
        /// <param name="resample">重采样登记</param>
        private void ExportMap(string filePath, double resolution, int resample)
        {
   
   
            IExport pExport = null;
            switch (System.IO.Path.GetExtension(filePath))
            {
   
   
                case ".pdf":
                    pExport = new ExportPDF() as IExport;
                    break;
                case ".svg":
                    pExport = new ExportSVG() as IExport;
                    break;
                case ".ai":
                    pExport = new ExportAI() as IExport;
                    break;
                case ".emf":
                    pExport = new ExportEMF() as IExport;
                    break;
                case ".eps":
                    pExport = new ExportPS() as IExport;
                    break;
                case ".bmp":
                    pExport = new ExportBMP() as IExport;
                    break;
                case ".png":
                    pExport = new ExportPNG() as IExport;
                    break;
                case ".jpeg":
                    pExport = new ExportJPEG() as IExport;
                    break;
                case ".tif":
                    pExport = new 
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