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Integrating MapPoint in your .NET applications

, 2 Oct 2005
Using the MapPoint web service API and C# to calculate the route/driving directions between two places (e.g. cities) and generate a map showing the same.
mappoint_demo.zip
MapPoint_Demo
MapPoint_Demo
App.ico
bin
MapPoint_Demo.csproj.user
Web References
MapPoint
mappoint.wsdl
Reference.map
using System;
using System.ComponentModel;
using System.Configuration;
using System.Drawing;
using System.IO;
using System.Net;
using System.Windows.Forms;
using MapPoint_Demo.MapPoint;

namespace MapPoint_Demo
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : Form
	{
		private TabControl tbMain;
		private StatusBar stsMain;
		private TextBox txtResults;
		private TextBox txtOrigAddress;
		private TextBox txtDestAddress;
		private Button btnDirections;
		private Label lblOrigAddress;
		private Label lblDestAddress;
		private TabPage tpMain;
		private TabPage tpMap;
		private PictureBox pcMap;
		private System.Windows.Forms.ComboBox cmbZone;
		private System.Windows.Forms.Label lblZone;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private Container components = null;

		public Form1()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if (components != null) 
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.tbMain = new System.Windows.Forms.TabControl();
			this.tpMain = new System.Windows.Forms.TabPage();
			this.lblZone = new System.Windows.Forms.Label();
			this.cmbZone = new System.Windows.Forms.ComboBox();
			this.txtResults = new System.Windows.Forms.TextBox();
			this.lblDestAddress = new System.Windows.Forms.Label();
			this.lblOrigAddress = new System.Windows.Forms.Label();
			this.btnDirections = new System.Windows.Forms.Button();
			this.txtDestAddress = new System.Windows.Forms.TextBox();
			this.txtOrigAddress = new System.Windows.Forms.TextBox();
			this.tpMap = new System.Windows.Forms.TabPage();
			this.pcMap = new System.Windows.Forms.PictureBox();
			this.stsMain = new System.Windows.Forms.StatusBar();
			this.tbMain.SuspendLayout();
			this.tpMain.SuspendLayout();
			this.tpMap.SuspendLayout();
			this.SuspendLayout();
			// 
			// tbMain
			// 
			this.tbMain.Controls.Add(this.tpMain);
			this.tbMain.Controls.Add(this.tpMap);
			this.tbMain.Location = new System.Drawing.Point(8, 8);
			this.tbMain.Name = "tbMain";
			this.tbMain.SelectedIndex = 0;
			this.tbMain.Size = new System.Drawing.Size(376, 304);
			this.tbMain.TabIndex = 0;
			// 
			// tpMain
			// 
			this.tpMain.Controls.Add(this.lblZone);
			this.tpMain.Controls.Add(this.cmbZone);
			this.tpMain.Controls.Add(this.txtResults);
			this.tpMain.Controls.Add(this.lblDestAddress);
			this.tpMain.Controls.Add(this.lblOrigAddress);
			this.tpMain.Controls.Add(this.btnDirections);
			this.tpMain.Controls.Add(this.txtDestAddress);
			this.tpMain.Controls.Add(this.txtOrigAddress);
			this.tpMain.Location = new System.Drawing.Point(4, 22);
			this.tpMain.Name = "tpMain";
			this.tpMain.Size = new System.Drawing.Size(368, 278);
			this.tpMain.TabIndex = 0;
			this.tpMain.Text = "Directions";
			// 
			// lblZone
			// 
			this.lblZone.Location = new System.Drawing.Point(50, 16);
			this.lblZone.Name = "lblZone";
			this.lblZone.TabIndex = 7;
			this.lblZone.Text = "Zone";
			// 
			// cmbZone
			// 
			this.cmbZone.Items.AddRange(new object[] {
														 "MapPoint.NA",
														 "MapPoint.EU"});
			this.cmbZone.Location = new System.Drawing.Point(176, 16);
			this.cmbZone.Name = "cmbZone";
			this.cmbZone.Size = new System.Drawing.Size(121, 21);
			this.cmbZone.TabIndex = 6;
			this.cmbZone.Text = "MapPoint.NA";
			// 
			// txtResults
			// 
			this.txtResults.Location = new System.Drawing.Point(8, 160);
			this.txtResults.Multiline = true;
			this.txtResults.Name = "txtResults";
			this.txtResults.ScrollBars = System.Windows.Forms.ScrollBars.Vertical;
			this.txtResults.Size = new System.Drawing.Size(352, 104);
			this.txtResults.TabIndex = 5;
			this.txtResults.Text = "";
			// 
			// lblDestAddress
			// 
			this.lblDestAddress.Location = new System.Drawing.Point(48, 80);
			this.lblDestAddress.Name = "lblDestAddress";
			this.lblDestAddress.Size = new System.Drawing.Size(112, 23);
			this.lblDestAddress.TabIndex = 4;
			this.lblDestAddress.Text = "Destination Address";
			// 
			// lblOrigAddress
			// 
			this.lblOrigAddress.Location = new System.Drawing.Point(48, 48);
			this.lblOrigAddress.Name = "lblOrigAddress";
			this.lblOrigAddress.Size = new System.Drawing.Size(104, 23);
			this.lblOrigAddress.TabIndex = 3;
			this.lblOrigAddress.Text = "Origin Address";
			// 
			// btnDirections
			// 
			this.btnDirections.Location = new System.Drawing.Point(136, 120);
			this.btnDirections.Name = "btnDirections";
			this.btnDirections.Size = new System.Drawing.Size(88, 23);
			this.btnDirections.TabIndex = 2;
			this.btnDirections.Text = "Get Directions";
			this.btnDirections.Click += new System.EventHandler(this.btnDirections_Click);
			// 
			// txtDestAddress
			// 
			this.txtDestAddress.Location = new System.Drawing.Point(176, 80);
			this.txtDestAddress.Name = "txtDestAddress";
			this.txtDestAddress.Size = new System.Drawing.Size(168, 20);
			this.txtDestAddress.TabIndex = 1;
			this.txtDestAddress.Text = "";
			// 
			// txtOrigAddress
			// 
			this.txtOrigAddress.Location = new System.Drawing.Point(176, 48);
			this.txtOrigAddress.Name = "txtOrigAddress";
			this.txtOrigAddress.Size = new System.Drawing.Size(168, 20);
			this.txtOrigAddress.TabIndex = 0;
			this.txtOrigAddress.Text = "";
			// 
			// tpMap
			// 
			this.tpMap.Controls.Add(this.pcMap);
			this.tpMap.Location = new System.Drawing.Point(4, 22);
			this.tpMap.Name = "tpMap";
			this.tpMap.Size = new System.Drawing.Size(368, 278);
			this.tpMap.TabIndex = 1;
			this.tpMap.Text = "Map";
			// 
			// pcMap
			// 
			this.pcMap.Location = new System.Drawing.Point(8, 8);
			this.pcMap.Name = "pcMap";
			this.pcMap.Size = new System.Drawing.Size(352, 256);
			this.pcMap.TabIndex = 0;
			this.pcMap.TabStop = false;
			// 
			// stsMain
			// 
			this.stsMain.Location = new System.Drawing.Point(0, 311);
			this.stsMain.Name = "stsMain";
			this.stsMain.Size = new System.Drawing.Size(392, 22);
			this.stsMain.TabIndex = 1;
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(392, 333);
			this.Controls.Add(this.stsMain);
			this.Controls.Add(this.tbMain);
			this.Name = "Form1";
			this.Text = "MapPoint: Route Planner";
			this.Load += new System.EventHandler(this.Form1_Load);
			this.tbMain.ResumeLayout(false);
			this.tpMain.ResumeLayout(false);
			this.tpMap.ResumeLayout(false);
			this.ResumeLayout(false);

		}
		#endregion

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


		//Set up the service variables, get application 
		//settings from the App.config file
		//myCredentials holds the network credentials for MapPoint account
		static string myUserID = ConfigurationSettings.AppSettings.Get("MPUser");
		static string myPassword = ConfigurationSettings.AppSettings.Get("MPPass");
		NetworkCredential myCredentials = new NetworkCredential(myUserID, myPassword);
        
		//RenderServiceSoap is useful in working with maps
		RenderServiceSoap renderService = new RenderServiceSoap();
		
		//FindServiceSoap is useful in finding addresses and related information
		FindServiceSoap findService = new FindServiceSoap();

		private void Form1_Load(object sender, EventArgs e)
		{
			try
			{
//			//For users who are behind a internet proxy
//			//Comment out for direct internet connection
//			WebProxy myProxy = new WebProxy("http://proxyip:80",true);
//			myProxy.Credentials = new NetworkCredential("username", "password", "domain");
		
			//Passing the MapPoint account credentials to the proper service
			renderService.Credentials = myCredentials;
			renderService.PreAuthenticate = true;
//			renderService.Proxy = myProxy;	
		
			findService.Credentials = myCredentials;
			findService.PreAuthenticate = true;
//			findService.Proxy = myProxy;
		 }           
        catch
			{
				
			}  
		}

		private void btnDirections_Click(object sender, EventArgs e)
		{
			//Resets the textbox text and the statusbar text
			txtResults.Text = string.Empty;
			stsMain.Text = string.Empty;
			
			FindSpecification findSpec = new FindSpecification();
			
			FindResults startResults = null;
            FindResults endResults = null;
			
			//Set the DataSource, i.e. MapPoint.EU for Europe etc.
			findSpec.DataSourceName = cmbZone.Text;
			
			findSpec.InputPlace = txtOrigAddress.Text;
			
			//Retrieve the values of startResults
			try
			{
				startResults = findService.Find(findSpec);
			}
			catch
			{
				MessageBox.Show("Problem connecting with service");
			}
			
			
			findSpec.InputPlace = txtDestAddress.Text;
			
			//Retrieve the values of endResults
			try
			{
				endResults = findService.Find(findSpec);
			}
			catch
			{
				MessageBox.Show("Problem connecting with service");
			}


			// Make sure findResults isn't null
			if(startResults == null)
			{
				MessageBox.Show("Originating Address not found.");
			}
			else
			{
				// If no results were found, display error and return
				if(startResults.NumberFound == 0)
				{
					MessageBox.Show("Originating Address not found.");
					return;
				}
				
			}
			if(endResults == null)
			{
				MessageBox.Show("Destination Address not found.");
			}
			else
			{
				// If no results were found, display error and return
				if(endResults.NumberFound == 0)
				{
					MessageBox.Show("Destination Address not found.");
					return;
				}
			}

			stsMain.Text = "Generating Route Information";

			//Call GetRoute:Calculates the Route and also generates the Map
			GetRoute(startResults,endResults);
		}
        
		
		//GetRoute:Calculates the Route and also generates the Map
		private void GetRoute(FindResults sResults,FindResults eResults)
		{
			SegmentSpecification[] routeSegment;
			routeSegment = new SegmentSpecification[2];

			routeSegment[0]= new SegmentSpecification();
            routeSegment[0].Waypoint = new Waypoint();
            routeSegment[0].Waypoint.Name = sResults.Results[0].FoundLocation.Entity.Name;
			routeSegment[0].Waypoint.Location = sResults.Results[0].FoundLocation;

		    routeSegment[1]= new SegmentSpecification();
			routeSegment[1].Waypoint = new Waypoint();
			routeSegment[1].Waypoint.Name = eResults.Results[0].FoundLocation.Entity.Name;
			routeSegment[1].Waypoint.Location = eResults.Results[0].FoundLocation;
		

            RouteSpecification routeSpecs = new RouteSpecification();
            routeSpecs.DataSourceName = cmbZone.Text;
			routeSpecs.Segments = routeSegment;

//			//For users who are behind a internet proxy
//			//Comment out for direct internet connection
//			WebProxy myProxy = new WebProxy("http://proxyip:80",true);
//			myProxy.Credentials = new NetworkCredential("username", "password", "domain");
//		
			RouteServiceSoap routeService = new RouteServiceSoap();
			routeService.Credentials = myCredentials;
			routeService.PreAuthenticate = true;
//			routeService.Proxy = myProxy;

			Route route = new Route();
            route = routeService.CalculateRoute(routeSpecs);

            stsMain.Text = "Fetching Route Information";
            
			//loop through and write the route directions in the textbox
			for (int i = 0;i < route.Itinerary.Segments[0].Directions.Length;i++ )
			{
				txtResults.Text +="("+(i+1)+") "+route.Itinerary.Segments[0].Directions[i].Instruction +" >> ";
			}
           
			stsMain.Text = "Wait...Generating Map Information";

            // Generate the Route Map
			MapSpecification mapSpec = new MapSpecification();
			mapSpec.Options = new MapOptions();
			mapSpec.Options.Format = new ImageFormat();

			//Set the map width and height according to the PictureBox
			mapSpec.Options.Format.Height = pcMap.Height;
			mapSpec.Options.Format.Width = pcMap.Width;

			//Set the Map Datasource
			mapSpec.DataSourceName = cmbZone.Text;
            
			mapSpec.Route = route;
		
			
			try
			{
			// Get the map image
			MapImage tempImage = renderService.GetMap(mapSpec)[0];
			pcMap.Image = 
				new Bitmap(new MemoryStream(tempImage.MimeData.Bits, false), true);
			
			stsMain.Text = "Done";
			}
			catch(Exception e)
			{
				MessageBox.Show(e.ToString());
			}
		}
	}
}

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About the Author

Chayan
Web Developer
India India
Chayan Ray has been working as a Technical Consultant in a CMM level 5 company in India. His technical domain includes ASP.NET, C#, PHP, Perl, Cold Fusion, MySQL and MSSQL 2000.

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