AE基础(1)

  //加载地图文档
        private void loadMapDocument()
        {
            System.Windows.Forms.OpenFileDialog openFileDialog;
            openFileDialog = new OpenFileDialog();
            openFileDialog.Title = "打开地图文档";
            openFileDialog.Filter = "地图文档(*.mxd)|*.mxd";
            openFileDialog.ShowDialog();
            string filePath = openFileDialog.FileName;
            if (axMapControl1.CheckMxFile(filePath))
            {
                axMapControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass;
                axMapControl1.LoadMxFile(filePath, 0, Type.Missing);
                axMapControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;
            }
            else
            {
                MessageBox.Show(filePath + "不是有效的地图文档");
            }
        }

        private void loadMapDocument2()
        {
            System.Windows.Forms.OpenFileDialog openFileDialog;
            openFileDialog = new OpenFileDialog();
            openFileDialog.Title = "打开地图文档";
            openFileDialog.Filter = "map documents(*.mxd)|*.mxd";
            openFileDialog.ShowDialog();
            string filePath = openFileDialog.FileName;
            if (axMapControl1.CheckMxFile(filePath))
            {
                IArray arrayMap = axMapControl1.ReadMxMaps(filePath, Type.Missing);
                int i;
                IMap map;
                for (i = 0; i < arrayMap.Count; i++)
                {
                    map = arrayMap.get_Element(i) as IMap;
                    if (map.Name == "Layers")
                    {
                        axMapControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass;
                        axMapControl1.LoadMxFile(filePath, 0, Type.Missing);
                        axMapControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;
                        break;
                    }
                }
            }
            else
            {
                MessageBox.Show(filePath + "不是有效的地图文档");
            }
        }

     
        private void saveDocument()
        {
            if (mapDocument.get_IsReadOnly(mapDocument.DocumentFilename) == true)
            {
                MessageBox.Show("地图文档是只读的无法保存");
            }
       
            try
            {
                mapDocument.Save(mapDocument.UsesRelativePaths, true);
                MessageBox.Show("保存地图文档成功");
            }
            catch (Exception e)
            {
                MessageBox.Show("保存地图文档失败！！！" + e.ToString());
            }
        }

        private void saveAsDocument()
        {
            if (mapDocument.get_IsReadOnly(mapDocument.DocumentFilename) == true)
            {
                MessageBox.Show("地图文档是只读的无法保存");
            }

            string fileSavePath = @"f:
ew.mxd";//这里路径不应该写死
            SaveFileDialog sfd = new SaveFileDialog();
            sfd.Title = "另存为";
            sfd.Filter = "map documents(*.mxd)|*.mxd";
            sfd.ShowDialog();
            fileSavePath = sfd.FileName;
            try
            {
                mapDocument.SaveAs(fileSavePath, true, true);
                MessageBox.Show("另存地图文档成功");
            }
            catch (Exception e)
            {
                MessageBox.Show("另存地图文档失败！！！" + e.ToString());
            }
        }