ARCGISEngine中对文件的打开，保存，另存为的代码实现

不念不忘少年蓝@ 2021-09-16 15:52 281阅读 0赞

**目录**

打开文件：

保存文件：

另存为：

导出地图：

--------------------

# 打开文件： #

OpenFileDialog openMXD = new OpenFileDialog();
                openMXD.Title = "打开地图";
                openMXD.InitialDirectory = "E:\\大三上学期实验\\ARCGIS Engine\\实验二（及以上）二次开发\\使用控件创建第一个应用程序\\bin\\Debug\\Map";
                openMXD.Filter = "Map Documents(*.mxd)|*.mxd";
                if (openMXD.ShowDialog() == DialogResult.OK)
                {
                    string MxdPath = openMXD.FileName;
                    axMapControl1.LoadMxFile(MxdPath);
                }

# 保存文件： #

try
                {
                    IMxdContents pMxdC;
                    pMxdC = axMapControl1.Map as IMxdContents;
                    IMapDocument pMapDocument = new MapDocumentClass();
                    pMapDocument.Open(axMapControl1.DocumentFilename, "");
                    IActiveView pActiveView = axMapControl1.Map as IActiveView;
                    pMapDocument.ReplaceContents(pMxdC);
                    pMapDocument.Save(true, true);
                    MessageBox.Show("保存成功！");
                }
                catch (Exception ex)
                {
    
                    throw ex;
                }

# 另存为： #

OpenFileDialog iOpenFileDialog = new OpenFileDialog();
                iOpenFileDialog.Filter = "地图文档(*.mxd)|*.mxd";
    
    
                if (iOpenFileDialog.ShowDialog() == DialogResult.OK)
                {
                    string iFilePath = iOpenFileDialog.FileName;
                    IMxdContents pMxdC;
                    pMxdC = axMapControl1.Map as IMxdContents;
                    IMapDocument pMapDocument = new MapDocumentClass();
                    pMapDocument.Open(axMapControl1.DocumentFilename, "");
                    IActiveView pActiveView = axMapControl1.Map as IActiveView;
                    pMapDocument.ReplaceContents(pMxdC);
                    pMapDocument.SaveAs(iFilePath, true, true);
                }

# 导出地图： #

try
                {
                    SaveFileDialog pSaveDialog = new SaveFileDialog();
                    pSaveDialog.FileName = "";
                    pSaveDialog.Filter = "JPG图片(*.JPG)|*.jpg|tif图片(*.tif)|*.tif|PDF文档(*.PDF)|*.pdf";
                    if (pSaveDialog.ShowDialog() == DialogResult.OK)
                    {
                        double iScreenDispalyResolution = axPageLayoutControl1.ActiveView.ScreenDisplay.DisplayTransformation.Resolution;// 获取屏幕分辨率的值
                        IExporter pExporter = null;
                        if (pSaveDialog.FilterIndex == 1)
                        {
                            pExporter = new JpegExporterClass();
                        }
                        else if (pSaveDialog.FilterIndex == 2)
                        {
                            pExporter = new TiffExporterClass();
                        }
                        else if (pSaveDialog.FilterIndex == 3)
                        {
                            pExporter = new PDFExporterClass();
                        }
                        pExporter.ExportFileName = pSaveDialog.FileName;
                        pExporter.Resolution = (short)iScreenDispalyResolution; //分辨率
                        tagRECT deviceRect = axPageLayoutControl1.ActiveView.ScreenDisplay.DisplayTransformation.get_DeviceFrame();
                        IEnvelope pDeviceEnvelope = new EnvelopeClass();
                        pDeviceEnvelope.PutCoords(deviceRect.left, deviceRect.bottom, deviceRect.right, deviceRect.top);
                        pExporter.PixelBounds = pDeviceEnvelope; // 输出图片的范围
                        ITrackCancel pCancle = new CancelTrackerClass();//可用ESC键取消操作
                        axPageLayoutControl1.ActiveView.Output(pExporter.StartExporting(), pExporter.Resolution, ref deviceRect, axPageLayoutControl1.ActiveView.Extent, pCancle);
                        Application.DoEvents();
                        pExporter.FinishExporting();
                        MessageBox.Show("导出成功！");
                    }
    
                }
                catch (Exception Err)
                {
                    MessageBox.Show(Err.Message, "输出图片", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }