form1.cs

C#编写的地理信息系统GIS入门程序

			cmdSave.Enabled = false;
			cmdSaveAs.Enabled = false;


			//Create UID's and add new items to the ToolBarControl
			UID uID = new UIDClass();
			uID.Value = "esriControlCommands.ControlsOpenDocCommand";
			axToolbarControl1.AddItem(uID, 0, -1, false, -1, esriCommandStyles.esriCommandStyleIconOnly);

			uID.Value = "esriControlCommands.ControlsSaveAsDocCommand";
			axToolbarControl1.AddItem(uID, -1, -1, false, -1, esriCommandStyles.esriCommandStyleIconOnly);

			uID.Value = "esriControlCommands.ControlsMapZoomInTool";
			axToolbarControl1.AddItem(uID, -1 , -1, false, -1, esriCommandStyles.esriCommandStyleIconOnly);

			uID.Value = "esriControlCommands.ControlsMapZoomOutTool";
			axToolbarControl1.AddItem(uID, -1, -1, false, -1, esriCommandStyles.esriCommandStyleIconOnly);

			uID.Value = "esriControlCommands.ControlsMapZoomInFixedCommand";
			axToolbarControl1.AddItem(uID, -1, -1, false, -1, esriCommandStyles.esriCommandStyleIconOnly);

			uID.Value = "esriControlCommands.ControlsMapZoomOutFixedCommand";
			axToolbarControl1.AddItem(uID, -1, -1, false, -1, esriCommandStyles.esriCommandStyleIconOnly);

			uID.Value = "esriControlCommands.ControlsMapPanTool";
			axToolbarControl1.AddItem(uID, -1, -1, false, -1, esriCommandStyles.esriCommandStyleIconOnly);

			uID.Value = "esriControlCommands.ControlsMapFullExtentCommand";
			axToolbarControl1.AddItem(uID, -1, -1, false, -1, esriCommandStyles.esriCommandStyleIconOnly);

			uID.Value = "esriControlCommands.ControlsMapZoomToLastExtentBackCommand";
			axToolbarControl1.AddItem(uID, -1, -1, true, -1, esriCommandStyles.esriCommandStyleIconOnly);

			uID.Value = "esriControlCommands.ControlsMapZoomToLastExtentForwardCommand";
			axToolbarControl1.AddItem(uID, -1, -1, false, -1, esriCommandStyles.esriCommandStyleIconOnly);

			uID.Value = "esriControlCommands.ControlsPageZoom100PercentCommand";
			axToolbarControl1.AddItem(uID,-1,-1,false,-1,esriCommandStyles.esriCommandStyleIconOnly);


			//共享ToolbarControl的命令池,使点击右键弹出的菜单命令可用
			m_ToolbarMenu.CommandPool = axToolbarControl1.CommandPool;

			//向ToolbarMenu(弹出式菜单）增加命令
			uID.Value = "esriControlCommands.ControlsOpenDocCommand";
			m_ToolbarMenu.AddItem(uID, -1, -1, false,esriCommandStyles.esriCommandStyleIconAndText);
			
			uID.Value = "esriControlCommands.ControlsSaveAsDocCommand";
			m_ToolbarMenu.AddItem(uID, -1, -1, false,esriCommandStyles.esriCommandStyleIconAndText);

			uID.Value = "esriControlCommands.ControlsMapZoomInFixedCommand";
			m_ToolbarMenu.AddItem(uID, -1, -1, false,esriCommandStyles.esriCommandStyleIconAndText);

			uID.Value = "esriControlCommands.ControlsMapZoomOutFixedCommand";
			m_ToolbarMenu.AddItem(uID, -1, -1, false,esriCommandStyles.esriCommandStyleIconAndText);

			//string progID = "esriControlToolsMap.ControlsMapZoomInFixedCommand";
			//m_ToolbarMenu.AddItem(progID,-1,-1,false,esriCommandStyles.esriCommandStyleIconAndText);

			//progID = "esriControlToolsMap.ControlsMapZoomOutFixedCommand";
			//m_ToolbarMenu.AddItem(progID,-1,-1,false,esriCommandStyles.esriCommandStyleIconAndText);
			
			uID.Value = "esriControlCommands.ControlsMapFullExtentCommand";
			m_ToolbarMenu.AddItem(uID, -1, -1, false,esriCommandStyles.esriCommandStyleIconAndText);

			uID.Value = "esriControlCommands.ControlsMapZoomToLastExtentBackCommand";
			m_ToolbarMenu.AddItem(uID, -1, -1, true,esriCommandStyles.esriCommandStyleIconAndText);

			uID.Value = "esriControlCommands.ControlsMapZoomToLastExtentForwardCommand";
			m_ToolbarMenu.AddItem(uID, -1, -1, true,esriCommandStyles.esriCommandStyleIconAndText);			

			//设置与MapControl挂接
			//m_ToolbarMenu.SetHook(axMapControl1);			
		}

		private void cmdMapDoc_Click(object sender, System.EventArgs e)
		{
			openFileDialog1.Title = "Open Map Document";
			openFileDialog1.Filter = "Map Documents (*.mxd,*.mxt,*.pmf,*.shp)|*.mxd;*.mxt;*.pmf;*.shp";
			openFileDialog1.ShowDialog();
			// Exit if no map document is selected
			string sFilePath = openFileDialog1.FileName;
			if (sFilePath == "")
			{
				return;
			}

			//Open document
			OpenDocument((sFilePath));

			if (cmdSave.Enabled == false)
			{
				cmdSave.Enabled = true;
			}
			if (cmdSaveAs.Enabled == false)
			{
				cmdSaveAs.Enabled = true;
			}		

		/*	string sFileName = openFileDialog1.FileName;
			//Validate the and load the map document
			if (axMapControl1.CheckMxFile(sFileName))
			{
				axMapControl1.LoadMxFile(sFileName,Type.Missing,Type.Missing);
				
			}*/
			
		}		

		private void axMapControl1_OnMouseDown(object sender, ESRI.ArcGIS.MapControl.IMapControlEvents2_OnMouseDownEvent e)
		{
			//弹出ToolbarMenu
			if(e.button == 2)       //点击右键弹出菜单
			{
				m_ToolbarMenu.PopupMenu(e.x,e.y,axMapControl1.hWnd);
			}
		}
		
		

		private void saveButton_Click(object sender, System.EventArgs e)
		{
			//Save changes to the current document
			SaveDocument();		
		}	

		private void cmdSaveAs_Click(object sender, System.EventArgs e)
		{
			//Open a file dialog for saving map documents
			saveFileDialog1.Title = "把图形文档另存为";
			//saveFileDialog1.Filter = "Map Documents (*.mxd)|*.mxd";
			saveFileDialog1.Filter = "Map Documents (*.mxd,*.mxt,*.pmf)|*.mxd;*.mxt;*.pmf";			
			saveFileDialog1.ShowDialog();

			//Exit if no map document is selected
			string sFilePath = saveFileDialog1.FileName;
			if (sFilePath == "")
			{
				return;
			}

			if (sFilePath == m_MapDocument.DocumentFilename)
			{
				//Save changes to the current document				
				SaveDocument();
			}
			else
			{
				//SaveAs a new document with relative paths
				m_MapDocument.SaveAs(sFilePath, true, true);
				//Open document
				OpenDocument((sFilePath));
				System.Windows.Forms.MessageBox.Show("保存/替换成功！");
			}
		
		}

		private void OpenDocument(string sFilePath)
		{
			//Create a new map document
			m_MapDocument = new MapDocumentClass();
			//Open the map document selected
			m_MapDocument.Open(sFilePath,"");
			//Set the PageLayoutControl page layout to the map document page layout
			axMapControl1.Map = m_MapDocument.get_Map(0);			
			txtMapDocument.Text = m_MapDocument.DocumentFilename;
		}

		private void SaveDocument()
		{
			//Check that the document is not read only
			if (m_MapDocument.get_IsReadOnly(m_MapDocument.DocumentFilename) == true)
			{
				System.Windows.Forms.MessageBox.Show("This map document is read only!");
				return;
			}
			//Save with the current relative path setting
			m_MapDocument.Save(m_MapDocument.UsesRelativePaths,true);
			System.Windows.Forms.MessageBox.Show("保存成功！");
		 }

		//在TOCControl标签编辑后的事件
		private void axTOCControl1_OnEndLabelEdit(object sender, ESRI.ArcGIS.TOCControl.ITOCControlEvents_OnEndLabelEditEvent e)
		{
			//禁止在编辑标签时输入空字符窜
			string newLable = e.newLabel;
			if(e.newLabel.Trim() == "")
			{
				e.canEdit = false ;
			}
		}
		private void CreateCustomizeDialog()
		{
			//创建自定义对话框事件
			startDialogE = new ICustomizeDialogEvents_OnStartDialogEventHandler(OnStartDialog);
			((ICustomizeDialogEvents_Event)m_CustomizeDialog).OnStartDialog += startDialogE;
			closeDialogE = new ICustomizeDialogEvents_OnCloseDialogEventHandler(OnCloseDialog);
			((ICustomizeDialogEvents_Event)m_CustomizeDialog).OnCloseDialog += closeDialogE;

			//显示标题
			m_CustomizeDialog.DialogTitle = "自定义ToolbarControl项目";
			//显示从文件添加按钮
			m_CustomizeDialog.ShowAddFromFile = true;			
			//设置将增加新项目的ToolbarControl
			m_CustomizeDialog.SetDoubleClickDestination(axToolbarControl1);
		}

		private void chkCustomization_CheckedChanged(object sender, System.EventArgs e)
		{
			//Set whether control can be customized at run time
			if (chkCustomization.CheckState == CheckState.Checked)
			{
				m_CustomizeDialog.StartDialog(axToolbarControl1.hWnd);
				axToolbarControl1.Customize = true;
			}
			else
			{
				m_CustomizeDialog.CloseDialog();
				axToolbarControl1.Customize = false;
			}		
		}

		private void OnStartDialog()
		{
			axToolbarControl1.Customize = true;
		}
		private void OnCloseDialog()
		{
			axToolbarControl1.Customize = false;
			chkCustomization.Checked = false;
		}
		private void axMapControl1_OnMapReplaced(object sender, ESRI.ArcGIS.MapControl.IMapControlEvents2_OnMapReplacedEvent e)
		{
			esriUnits mapUnits = axMapControl1.MapUnits;

			switch (mapUnits)
			{
				case esriUnits.esriCentimeters:
					sMapUnits = "Centimeters";
					break;
				case esriUnits.esriDecimalDegrees:
					sMapUnits = "Decimal Degrees";
					break;
				case esriUnits.esriDecimeters:
					sMapUnits = "Decimeters";
					break;
				case esriUnits.esriFeet:
					sMapUnits = "Feet";
					break;
				case esriUnits.esriInches:
					sMapUnits = "Inches";
					break;
				case esriUnits.esriKilometers:
					sMapUnits = "Kilometers";
					break;
				case esriUnits.esriMeters:
					sMapUnits = "Meters";
					break;
				case esriUnits.esriMiles:
					sMapUnits = "Miles";
					break;
				case esriUnits.esriMillimeters:
					sMapUnits = "Millimeters";
					break;
				case esriUnits.esriNauticalMiles:
					sMapUnits = "NauticalMiles";
					break;
				case esriUnits.esriPoints:
					sMapUnits = "Points";
					break;
				case esriUnits.esriUnknownUnits:
					sMapUnits = "Unknown";
					break;
				case esriUnits.esriYards:
					sMapUnits = "Yards";
					break;
			}

		
		}
		

		private void axToolbarControl1_OnMouseMove(object sender, ESRI.ArcGIS.ToolbarControl.IToolbarControlEvents_OnMouseMoveEvent e)
		{
			//Determine if the mouse is over the item
			int index = axToolbarControl1.HitTest(e.x,e.y,false);
			if(index != -1)
			{
				//Get a reference to the ToolbarItem interface
				IToolbarItem toolbarItem = axToolbarControl1.GetItem(index);
				//set statusbar text
				statusBar1.Panels[0].Text = toolbarItem.Command.Message;
			}
			else
			{
				statusBar1.Panels[0].Text = "No tool selected!";
			}

		}

		private void axMapControl1_OnMouseMove(object sender, ESRI.ArcGIS.MapControl.IMapControlEvents2_OnMouseMoveEvent e)
		{
			statusBar1.Panels[1].Text = "X:"+e.mapX.ToString(".00") + "  " + "Y:"+e.mapY.ToString(".00")+ " " + sMapUnits;
		}		

		private void clearall_Click(object sender, System.EventArgs e)
		{
			axMapControl1.ClearLayers();
			axTOCControl1.SetBuddyControl(axMapControl1);			
			txtMapDocument.Text = "";
		}
		private void selectfeature_Click(object sender, System.EventArgs e)
		{
			IMxDocument pMxDoc = new MapDocumentClass();
			pMxDoc = application.Document;
			IMap pMap = new MapClass();
			pMap = pMxDoc.FocusMap;
			IActiveView pActiveView;
			IFeatureSelection pFeatureSelection;
			IFeatureLayer pFeatureLayer = new FeatureLayerClass();
			IQueryFilter pQueryFilter = new QueryFilterClass();
			pActiveView = (IActiveView)pMap;
			pFeatureLayer = (IFeatureLayer)pMap.LayerCount;
			pFeatureSelection = (IFeatureSelection)pFeatureLayer;
			pQueryFilter.WhereClause = "NAME = 'Green River'";
			pActiveView.PartialRefresh(esriViewGeoSelection,null,null);
			pFeatureSelection.SelectFeatures(pQueryFilter,esriSelectionResultNew,false);
			pActiveView.PartialRefresh(esriGeoSelection,null,null);

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

		
}