form1.cs

利用CSharp进行二次开发

			this.ClientSize = new System.Drawing.Size(520, 390);
			this.Controls.Add(this.axLicenseControl1);
			this.Controls.Add(this.axPageLayoutControl1);
			this.Controls.Add(this.axMapControl1);
			this.Controls.Add(this.cmdZoomPage);
			this.Controls.Add(this.cmdFullExtent);
			this.Controls.Add(this.Label2);
			this.Controls.Add(this.Label1);
			this.Controls.Add(this.cboMaps);
			this.Controls.Add(this.txbPath);
			this.Controls.Add(this.cmdLoad);
			this.Controls.Add(this.Label4);
			this.Name = "Form1";
			this.Text = "Form1";
			this.Closing += new System.ComponentModel.CancelEventHandler(this.Form1_Closing);
			this.Load += new System.EventHandler(this.Form1_Load);
			((System.ComponentModel.ISupportInitialize)(this.axMapControl1)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.axPageLayoutControl1)).EndInit();
			((System.ComponentModel.ISupportInitialize)(this.axLicenseControl1)).EndInit();
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void Form1_Load(object sender, System.EventArgs e)
		{

			m_bUpdateFocusMap = false;
			m_bReplacedPageLayout = false;
			axMapControl1.ShowScrollbars = false;
		}

		private void cmdFullExtent_Click(object sender, System.EventArgs e)
		{
			m_bUpdateFocusMap = true;

			//Zoom to the full extent of the data in the map
			axMapControl1.Extent = axMapControl1.FullExtent;
		}

		private void cmdZoomPage_Click(object sender, System.EventArgs e)
		{
			//Zoom to the whole page
			axPageLayoutControl1.ZoomToWholePage();
		}

		private void cmdLoad_Click(object sender, System.EventArgs e)
		{
			//Open a file dialog for selecting map documents
			openFileDialog1.Title = "Browse Map Document";
			openFileDialog1.Filter = "Map Documents (*.mxd)|*.mxd";
			openFileDialog1.ShowDialog();

			//Exit if no map document is selected
			string filePath = openFileDialog1.FileName;
			if (filePath == "") return;

			//If valid map document
			if (axPageLayoutControl1.CheckMxFile(filePath))
			{
				//Set mouse pointers
				axPageLayoutControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass;
				axMapControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass;
				//Reset controls
				axMapControl1.ActiveView.Clear();
				axMapControl1.ActiveView.GraphicsContainer.DeleteAllElements();
				axMapControl1.ActiveView.Refresh();
				cboMaps.Items.Clear();
				txbPath.Text = filePath;
				//Load map document
				axPageLayoutControl1.LoadMxFile(filePath,Type.Missing);
				//Set mouse pointers
				axPageLayoutControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;
				axMapControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;
			}
			else
			{
				MessageBox.Show(filePath + " is not a valid ArcMap document");
				return;
			}
		}

		private void ListMaps()
		{
			//Get IGraphicsContainer interface 
			IGraphicsContainer graphicsContainer = axPageLayoutControl1.GraphicsContainer;
			graphicsContainer.Reset();

			//Query Interface for IElement interface 
			IElement element = graphicsContainer.Next();
			
			//Loop through the elements
			int index = 0;
			while (element != null)
			{
				if (element is IMapFrame)
				{
					IMapFrame mapFrame = (IMapFrame) element;
					//Query interface for IElementProperties interface
					IElementProperties elementProperties = (IElementProperties) element;
					//Get the name of the Map in the MapFrame
					string sMapName = mapFrame.Map.Name;

					//Set the name of the MapFrame to the Map's name
					elementProperties.Name = sMapName;
					//Add the map name to the ComboBox
					cboMaps.Items.Insert(index, mapFrame.Map.Name);

					//If the Map is the FocusMap select the MapName in the ComboBox
					if (sMapName == axPageLayoutControl1.ActiveView.FocusMap.Name)
					{
						cboMaps.SelectedIndex = index;
					}
					index = index + 1;
				}
				element = graphicsContainer.Next();
			}
		}

		private void CopyAndOverwriteMap()
		{
			//Get IObjectCopy interface
			IObjectCopy objectCopy = new ObjectCopyClass(); 

			//Get IUnknown interface (map to copy)
			object toCopyMap = axPageLayoutControl1.ActiveView.FocusMap;

			//Get IUnknown interface (copied map)
			object copiedMap = objectCopy.Copy(toCopyMap);

			//Get IUnknown interface (map to overwrite)
			object toOverwriteMap = axMapControl1.Map;

			//Overwrite the MapControl's map
			objectCopy.Overwrite(copiedMap, ref toOverwriteMap);

			SetMapExtent();
		}
	
		private void SetMapExtent()
		{
			//Get IActiveView interface
			IActiveView activeView = (IActiveView) axPageLayoutControl1.ActiveView.FocusMap;
			//Set the control's extent
			axMapControl1.Extent = activeView.Extent;
			//Refresh the display
			axMapControl1.ActiveView.Refresh();
		}

		private void Form1_Closing(object sender, System.ComponentModel.CancelEventArgs e)
		{
			//Release COM objects 
			ESRI.ArcGIS.Utility.COMSupport.AOUninitialize.Shutdown();
		}

		private void axMapControl1_OnAfterScreenDraw(object sender, ESRI.ArcGIS.MapControl.IMapControlEvents2_OnAfterScreenDrawEvent e)
		{
			//Set mouse pointers
			axPageLayoutControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;
			axMapControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;

			if (m_bUpdateFocusMap == false) return;

			//Get IActiveView interface
			IActiveView activeView = (IActiveView) axPageLayoutControl1.ActiveView.FocusMap;

			//Get IDisplayTransformation interface
			IDisplayTransformation displayTransformation = activeView.ScreenDisplay.DisplayTransformation;

			//Set the visible extent of the focus map
			displayTransformation.VisibleBounds = axMapControl1.Extent;
			//Refresh the focus map
			activeView.Refresh();

			m_bUpdateFocusMap = false;
		}

		private void axMapControl1_OnBeforeScreenDraw(object sender, ESRI.ArcGIS.MapControl.IMapControlEvents2_OnBeforeScreenDrawEvent e)
		{
			//Set mouse pointers
			axPageLayoutControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass;
			axMapControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass;
		}

		private void axMapControl1_OnMouseDown(object sender, ESRI.ArcGIS.MapControl.IMapControlEvents2_OnMouseDownEvent e)
		{
			m_bUpdateFocusMap = true;

			if (e.button == 1)
			{
				axMapControl1.Extent = axMapControl1.TrackRectangle();
			}
			else if (e.button == 2)
			{
				axMapControl1.Pan();
			}
		}

		private void axPageLayoutControl1_OnBeforeScreenDraw(object sender, ESRI.ArcGIS.PageLayoutControl.IPageLayoutControlEvents_OnBeforeScreenDrawEvent e)
		{
			//Set mouse pointers
			axPageLayoutControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass;
			axMapControl1.MousePointer = esriControlsMousePointer.esriPointerHourglass;
		}

		private void axPageLayoutControl1_OnAfterScreenDraw(object sender, ESRI.ArcGIS.PageLayoutControl.IPageLayoutControlEvents_OnAfterScreenDrawEvent e)
		{
			//Set mouse pointers
			axPageLayoutControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;
			axMapControl1.MousePointer = esriControlsMousePointer.esriPointerDefault;

			if (m_bReplacedPageLayout == false) return;

			CopyAndOverwriteMap();
			m_bReplacedPageLayout = false;
		}

		private void axPageLayoutControl1_OnMouseDown(object sender, ESRI.ArcGIS.PageLayoutControl.IPageLayoutControlEvents_OnMouseDownEvent e)
		{
			if (e.button == 1)
			{
				axPageLayoutControl1.Extent = axPageLayoutControl1.TrackRectangle();
				}
			else if (e.button == 2)
			{
				axPageLayoutControl1.Pan();
			}
		}

		private void axPageLayoutControl1_OnPageLayoutReplaced(object sender, ESRI.ArcGIS.PageLayoutControl.IPageLayoutControlEvents_OnPageLayoutReplacedEvent e)
		{
			m_bReplacedPageLayout = true;
			ListMaps();
		}

		private void axPageLayoutControl1_OnFocusMapChanged(object sender, System.EventArgs e)
		{
			CopyAndOverwriteMap();
		}

		private void cboMaps_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			IPageLayoutControl pageLayoutControl = (IPageLayoutControl) axPageLayoutControl1.GetOcx();
			//Get IMapFrame interface 
			IMapFrame element = (IMapFrame) pageLayoutControl.FindElementByName(cboMaps.Text, 1);
			
			//Set the FocusMap
			axPageLayoutControl1.ActiveView.FocusMap = element.Map;
		}

	}
}