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Form1.cs
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Form1.cs
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using System;
using System.ComponentModel;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using DevExpress.XtraMap;
namespace CalculateRoutesFromMajorRoads {
public partial class Form1 : Form {
const double minLat = -90;
const double maxLat = 90;
const double minLon = -180;
const double maxLon = 180;
const string yourBingKey = "Insert Your Bing Key Here";//"Your Bing Key";
double lat = 40;
double lon = -120;
BingRouteDataProvider routeProvider;
public Form1() {
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e) {
imageProvider.BingKey = yourBingKey;
routeProvider = new BingRouteDataProvider { BingKey = yourBingKey };
routeProvider.LayerItemsGenerating += OnLayerItemsGenerating;
routeProvider.RouteCalculated += OnRouteCalculated;
informationLayer.DataProvider = routeProvider;
informationLayer.DataRequestCompleted += OnDataRequestCompleted;
teLatitude.Text = lat.ToString();
teLongitude.Text = lon.ToString();
#region #InitBingRouteOptions
cbeTravelMode.Properties.Items.AddRange(Enum.GetValues(typeof(BingTravelMode)));
cbeTravelMode.SelectedIndex = 0;
cbeRouteOptimization.Properties.Items.AddRange(Enum.GetValues(typeof(BingRouteOptimization)));
cbeRouteOptimization.SelectedIndex = 0;
#endregion #InitBingRouteOptions
}
#region #LayerItemsGenerating
void OnLayerItemsGenerating(object sender, LayerItemsGeneratingEventArgs e) {
foreach(MapItem item in e.Items) {
MapPolyline polyline = item as MapPolyline;
if(polyline != null) {
polyline.Stroke = Color.FromArgb(0xFF, 0x00, 0x72, 0xC6);
polyline.StrokeWidth = 4;
}
}
}
#endregion #LayerItemsGenerating
#region #DataRequestCompleted
void OnDataRequestCompleted(object sender, RequestCompletedEventArgs e) {
mapControl.ZoomToFitLayerItems(0.4);
}
#endregion #DataRequestCompleted
#region #BingRouteOptionsChanged
private void OnTravelModeSelectedIndexChanged(object sender, EventArgs e) {
routeProvider.RouteOptions.Mode = (BingTravelMode)cbeTravelMode.SelectedItem;
}
private void OnRouteOptimizationSelectedIndexChanged(object sender, EventArgs e) {
routeProvider.RouteOptions.RouteOptimization = (BingRouteOptimization)cbeRouteOptimization.SelectedItem;
}
#endregion #BingRouteOptionsChanged
void ShowErrorMessage(string variable, double minVal, double maxVal) {
MessageBox.Show(
this,
String.Format(
"The {0} value shoud be larger or equals {1} and less or equals {2}.",
variable,
minVal,
maxVal
),
variable
);
}
private void OnLatitudeValidating(object sender, CancelEventArgs e) {
if(!Double.TryParse(teLatitude.Text, out lat) ||
(lat > maxLat) || (lat < minLat)) {
e.Cancel = true;
ShowErrorMessage("Latitude", minLat, maxLat);
}
}
private void OnLongitudeValidating(object sender, CancelEventArgs e) {
if(!Double.TryParse(teLongitude.Text, out lon) ||
(lon > maxLon) || (lon < minLon)) {
e.Cancel = true;
ShowErrorMessage("Longitude", minLon, maxLon);
}
}
private void OnCalculateRoutesClick(object sender, EventArgs e) {
RouteWaypoint targetPoint = new RouteWaypoint("Searched location", new GeoPoint(lat, lon));
routeProvider.CalculateRoutesFromMajorRoads(targetPoint);
}
#region #RouteCalculated
private void OnRouteCalculated(object sender, BingRouteCalculatedEventArgs e) {
RouteCalculationResult result = e.CalculationResult;
if((result.RouteResults == null) ||
(result.ResultCode == RequestResultCode.BadRequest)) {
rtbResults.Text = "The Bing Route service does not work for this location.";
return;
}
StringBuilder resultList = new StringBuilder("");
if(result.IntermediatePoints != null) {
resultList.Append(String.Format("_________________________\n"));
for(int i = 0; i < e.CalculationResult.IntermediatePoints.Count; i++)
resultList.Append(
String.Format("Starting point {0}: {1} ({2})\n",
i + 1,
e.CalculationResult.IntermediatePoints[i].Description,
e.CalculationResult.IntermediatePoints[i].Location)
);
}
if((result.RouteResults != null) & (result.ResultCode == RequestResultCode.Success)) {
for(int rnum = 0; rnum < e.CalculationResult.RouteResults.Count; rnum++) {
resultList.Append(String.Format("_________________________\n"));
resultList.Append(String.Format("Path {0}:\n", rnum + 1));
resultList.Append(String.Format(
"Distance: {0}\n",
e.CalculationResult.RouteResults[rnum].Distance
));
resultList.Append(String.Format(
"Time: {0}\n",
e.CalculationResult.RouteResults[0].Time
));
if(e.CalculationResult.RouteResults[rnum].Legs != null) {
int legNum = 1;
foreach(BingRouteLeg leg in e.CalculationResult.RouteResults[rnum].Legs) {
resultList.Append(String.Format("\tLeg {0}:\n", legNum++));
resultList.Append(String.Format("\tDistance: {0}\n", leg.Distance));
resultList.Append(String.Format("\tTime: {0}\n", leg.Time));
if(leg.Itinerary != null) {
foreach(BingItineraryItem itineraryItem in leg.Itinerary) {
resultList.Append(String.Format(itineraryItem.Maneuver + "\n"));
resultList.Append(String.Format(
"\t\tLocation: {0}\n",
itineraryItem.Location
));
}
}
}
}
}
}
rtbResults.Text = resultList.ToString();
}
#endregion #RouteCalculated
}
}