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Form1.cs
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Form1.cs
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using DevExpress.XtraMap;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
namespace WinForms_MapControl_GIS {
public partial class Form1 : Form {
#region #Members
InformationLayer SearchLayer { get { return (InformationLayer)mapControl1.Layers["SearchLayer"]; } }
BingSearchDataProvider SearchProvider { get { return (BingSearchDataProvider)SearchLayer.DataProvider; } }
InformationLayer GeocodeLayer { get { return (InformationLayer)mapControl1.Layers["GeocodeLayer"]; } }
BingGeocodeDataProvider GeocodeProvider { get { return (BingGeocodeDataProvider)GeocodeLayer.DataProvider; } }
InformationLayer RouteLayer { get { return (InformationLayer)mapControl1.Layers["RouteLayer"]; } }
BingRouteDataProvider RouteProvider { get { return (BingRouteDataProvider)RouteLayer.DataProvider; } }
VectorItemsLayer ItemsLayer { get { return (VectorItemsLayer)mapControl1.Layers["ItemsLayer"]; } }
MapItemStorage Storage { get { return (MapItemStorage)ItemsLayer.Data; } }
RoutingHelper helper = new RoutingHelper();
#endregion #Members
public Form1() {
InitializeComponent();
#region #SubscribeEvents
SearchProvider.SearchCompleted += SearchProvider_SearchCompleted;
GeocodeProvider.LocationInformationReceived += GeocodeProvider_LocationInformationReceived;
RouteProvider.RouteCalculated += RouteProvider_RouteCalculated;
#endregion #SubscribeEvents
}
#region #CalculateRoute
void CalculateRoute() {
if (helper.Count < 2) return;
RouteProvider.CalculateRoute(helper.Waypoints);
}
#endregion #CalculateRoute
#region #GenerateItems
void GenerateItems(IEnumerable<LocationInformation> locations) {
UpdateStorage();
foreach (var location in locations) {
MapPushpin pushpin = new MapPushpin() { Location = location.Location, Information = location };
Storage.Items.Add(pushpin);
}
}
void UpdateStorage() {
Storage.Items.Clear();
Storage.Items.Add(helper.Route);
foreach (MapPushpin pushpin in helper.Pushpins)
Storage.Items.Add(pushpin);
}
#endregion #GenerateItems
#region #SearchCompleted
void SearchProvider_SearchCompleted(object sender, BingSearchCompletedEventArgs e) {
if (e.Cancelled || (e.RequestResult.ResultCode != RequestResultCode.Success)) return;
if (e.RequestResult.SearchResults.Count != 0)
GenerateItems(e.RequestResult.SearchResults);
}
#endregion #SearchCompleted
#region #GeocodeCompleted
void GeocodeProvider_LocationInformationReceived(object sender, LocationInformationReceivedEventArgs e) {
if (e.Cancelled) return;
GenerateItems(e.Result.Locations);
}
#endregion #GeocodeCompleted
#region #RouteCalculated
void RouteProvider_RouteCalculated(object sender, BingRouteCalculatedEventArgs e) {
if (e.Cancelled) return;
if (e.CalculationResult.ResultCode == RequestResultCode.Success) {
helper.BuildRoute(e.CalculationResult.RouteResults[0].RoutePath);
UpdateStorage();
}
}
#endregion #RouteCalculated
#region #MapItemClick
private void mapControl1_MapItemClick(object sender, MapItemClickEventArgs e) {
MapPushpin pushpin = e.Item as MapPushpin;
if (pushpin == null) return;
if (helper.Pushpins.Contains(pushpin)) return;
helper.AddItem(pushpin);
CalculateRoute();
e.Handled = true;
}
#endregion #MapItemClick
private void bClear_Click(object sender, EventArgs e) {
helper.Clear();
UpdateStorage();
}
}
#region #Helper
class RoutingHelper {
List<MapPushpin> pushpins = new List<MapPushpin>();
MapPolyline route = new MapPolyline() {
StrokeWidth = 4,
SelectedStrokeWidth = 4,
Stroke = Color.FromArgb(0xFF, 0xFE, 0x72, 0xFF)
};
List<RouteWaypoint> waypoints = new List<RouteWaypoint>();
char currentLatter = 'A';
public List<MapPushpin> Pushpins { get { return pushpins; } }
public List<RouteWaypoint> Waypoints { get { return waypoints; } }
public MapPolyline Route { get { return route; } set { route = value; } }
public int Count { get { return pushpins.Count; } }
public void BuildRoute(IEnumerable<GeoPoint> points) {
route.Points.Clear();
foreach (GeoPoint point in points)
route.Points.Add(point);
}
public void AddItem(MapPushpin pushpin) {
pushpins.Add(pushpin);
waypoints.Add(new RouteWaypoint(
((LocationInformation)pushpin.Information).DisplayName,
(GeoPoint)pushpin.Location)
);
pushpin.Text = (currentLatter++).ToString();
}
public void Clear() {
route.Points.Clear();
pushpins.Clear();
waypoints.Clear();
currentLatter = 'A';
}
}
#endregion #Helper
}