ArcEngine開發日誌_匯出地圖

  實現了地圖匯出為圖片功能，代碼很雜。

  

 

   

 

using System;
using System.Drawing;
using System.Runtime.InteropServices;
using ESRI.ArcGIS.ADF.BaseClasses;
using ESRI.ArcGIS.ADF.CATIDs;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.esriSystem;

using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Output;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.Display;
using System.Windows.Forms;

 

 public partial class Form1 : Form
    {
        [DllImport("GDI32.dll")]
        public static extern int GetDeviceCaps(int hdc, int nIndex);

       
        [DllImport("User32.dll")]
        public static extern int GetDC(int hWnd);

        [DllImport("User32.dll")]
        public static extern int ReleaseDC(int hWnd, int hDC);

        //[DllImport("user32.dll", SetLastError = true)]
        //static extern bool SystemParametersInfo(uint uiAction, uint uiParam, IntPtr pvParam, uint fWinIni);

        [DllImport("user32.dll", SetLastError = true)]
        static extern bool SystemParametersInfo(uint uiAction, uint uiParam, ref int pvParam, uint fWinIni);

       
        const uint SPI_GETFONTSMOOTHING = 74;
        const uint SPI_SETFONTSMOOTHING = 75;
        const uint SPIF_UPDATEINIFILE = 0x1;
       
       
        public Form1()
        {
            InitializeComponent();
        }

        private void btnExport_Click(object sender, EventArgs e)
        {
            mapExportDialog.Filter = "JPEG格式(*.jpg)|*.jpg|EPS格式(*.eps)|*.eps|EMF格式(*.emf)|*.emf|BMP格式(*.bmp)|*.bmp|PDF格式(*.pdf)|*.pdf|TIFF格式(*.tif)|*.tif|PNG格式(*.png)|*.png|SVG格式(*.svg)|*.svg|AI格式(*.ai)|*.ai|所有格式(*.*)|*.*";
            mapExportDialog.RestoreDirectory = true;
            if (mapExportDialog.ShowDialog() == DialogResult.OK)
            {
                string strLocalFileName = mapExportDialog.FileName.ToString();
                //擷取檔案路徑，不帶檔案名稱
                string strFilePath =  strLocalFileName.Substring(0, strLocalFileName.LastIndexOf(");
                string strFileName = strLocalFileName.Substring(strLocalFileName.LastIndexOf("\\") + 1, strLocalFileName.LastIndexOf(".")-3);

              //  MessageBox.Show(strFilePath);
               // MessageBox.Show(strFileName);

                string picType;
                switch (mapExportDialog.FilterIndex)
                {
                    case 1:
                        picType = "JPEG";
                        break;
                    case 2:
                        picType = "EPS";
                        break;
                    case 3:
                        picType = "EMF";
                        break;