private void RunQuery()
{
parcelsGraphicsLayer.Graphics.Clear();
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
ReturnGeometry = true,
OutSpatialReference = MyMap.SpatialReference,
Where = string.Format("OWNER_NAME LIKE '%{0}%'", SearchTextBox.Text),
OrderByFields = new List<OrderByField>() { new OrderByField("OWNER_NAME", SortOrder.Ascending) }
};
query.OutFields.Add("OWNER_NAME,PARCEL_ID,ZONING,DEED_DATE");
QueryTask queryTask = new QueryTask("http://sampleserver6.arcgisonline.com/arcgis/rest/services/MontgomeryQuarters/MapServer/1");
queryTask.ExecuteCompleted += (s, a) =>
{
foreach (Graphic g in a.FeatureSet.Features)
{
parcelsGraphicsLayer.Graphics.Add(g);
FeatureListBox.Items.Add(g);
}
(ApplicationBar.Buttons[0] as IApplicationBarIconButton).IsEnabled = true;
FeatureChoicesPage.Visibility = Visibility.Visible;
};
FeatureListBox.Items.Clear();
queryTask.ExecuteAsync(query);
}
private Graphic QueryRouteFeatureByName(String routeName)
{
LookupFieldNames();
if (_routesRouteNameFieldName == null)
{
return(null);
}
// TODO: get the feature directly from the feature layer instead of querying for it
QueryTask queryTask = new QueryTask(_flRoutes.Url);
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.Where = (_routesRouteNameFieldName + "='" + routeName + "'");
query.ReturnGeometry = true;
query.OutFields.AddRange(new string[] { "*" });
queryTask.Execute(query);
if (queryTask.LastResult.Features.Count() > 0)
{
return(queryTask.LastResult.Features.First());
}
else
{
return(null);
}
}
private void MyDrawSurface_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args)
{
ResultsDisplay.Visibility = Visibility.Collapsed;
MyDrawObject.IsEnabled = false;
selectionGraphicslayer.ClearGraphics();
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
// Bind data grid to query results
Binding resultFeaturesBinding = new Binding("LastResult.Features");
resultFeaturesBinding.Source = queryTask;
QueryDetailsDataGrid.SetBinding(DataGrid.ItemsSourceProperty, resultFeaturesBinding);
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
// Specify fields to return from query
query.OutFields.AddRange(new string[] { "STATE_NAME", "SUB_REGION", "STATE_FIPS", "STATE_ABBR", "POP2000", "POP2007" });
query.Geometry = args.Geometry;
// Return geometry with result features
query.ReturnGeometry = true;
query.OutSpatialReference = MyMap.SpatialReference;
queryTask.ExecuteAsync(query);
}
void findNearestWSGPTask_GetResultDataCompleted(object sender, GPParameterEventArgs e)
{
try
{
GPFeatureRecordSetLayer gpLayer = e.Parameter as GPFeatureRecordSetLayer;
foreach (client.Graphic graphic in gpLayer.FeatureSet.Features)
{
double distance = Convert.ToDouble(graphic.Attributes["NEAR_DIST"]) * 69.09;
_weatherStationDistanceInfo = "Distance to weather station: " + distance.ToString("0.000") + " miles";
//get the wind direction from the nearest weather station...
int fid = Convert.ToInt32(graphic.Attributes["NEAR_FID"]);
if (_windDirectionLayer != null)
{
QueryTask windDirectionQueryTask = new QueryTask(_windDirectionLayer.Url);
windDirectionQueryTask.ExecuteCompleted += WindDirectionQueryTask_ExecuteCompleted;
windDirectionQueryTask.Failed += QueryTask_Failed;
ESRI.ArcGIS.Client.Tasks.Query windDirectionQuery = new ESRI.ArcGIS.Client.Tasks.Query();
windDirectionQuery.OutFields.AddRange(new string[] { "*" });
windDirectionQuery.Where = "OBJECTID =" + fid;
windDirectionQueryTask.ExecuteAsync(windDirectionQuery);
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
MessageBox.Show("Error processing ERG Task Results!", "Error");
return;
}
}
private void LoadGraphics()
{
// Set query where clause to include features with an area greater than 70 square miles. This
// will effectively exclude the District of Columbia from attributes to avoid skewing classifications.
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Where = "SQMI > 70",
ReturnGeometry = true,
OutSpatialReference = MyMap.SpatialReference
};
query.OutFields.Add("*");
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" +
"Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += (evtsender, args) =>
{
if (args.FeatureSet == null)
{
return;
}
_featureSet = args.FeatureSet;
SetRangeValues();
RenderButton.IsEnabled = true;
};
queryTask.ExecuteAsync(query);
CreateColorList();
CreateThematicList();
}
/// <summary>
/// Runs a test query against the specified date field to determine the type of data source.
/// </summary>
private static void QueryDate(string dataSetUrl, bool useProxy, SubLayerField dateField, string dataSource, EventHandler <DataSourceEventArgs> callback)
{
DateTime testDate = new DateTime(1977, 12, 01, 0, 0, 0, 0);
QueryTask qT = new QueryTask(dataSetUrl);
if (useProxy)
{
qT.ProxyURL = ArcGISOnlineEnvironment.ConfigurationUrls.ProxyServerEncoded;
}
ESRI.ArcGIS.Client.Tasks.Query q = new ESRI.ArcGIS.Client.Tasks.Query();
q.OutFields.Add(dateField.Name);
q.Where = dateField.Name + " = " + Format(testDate, dataSource);
q.ReturnGeometry = false;
EventHandler <ESRI.ArcGIS.Client.Tasks.QueryEventArgs> completedHandler = null;
completedHandler = (object sender, ESRI.ArcGIS.Client.Tasks.QueryEventArgs e) =>
{
callback(null, new DataSourceEventArgs()
{
DataSource = dataSource
});
};
qT.ExecuteCompleted += completedHandler;
//execute the query
//
qT.ExecuteAsync(q);
}
private void RunQuery()
{
parcelsGraphicsLayer.Graphics.Clear();
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
ReturnGeometry = true,
OutSpatialReference = MyMap.SpatialReference,
Where = string.Format("OWNER_NAME LIKE '%{0}%'", SearchTextBox.Text),
OrderByFields = new List <OrderByField>()
{
new OrderByField("OWNER_NAME", SortOrder.Ascending)
}
};
query.OutFields.Add("OWNER_NAME,PARCEL_ID,ZONING,DEED_DATE");
QueryTask queryTask = new QueryTask("http://sampleserver6.arcgisonline.com/arcgis/rest/services/MontgomeryQuarters/MapServer/1");
queryTask.ExecuteCompleted += (s, a) =>
{
foreach (Graphic g in a.FeatureSet.Features)
{
parcelsGraphicsLayer.Graphics.Add(g);
FeatureListBox.Items.Add(g);
}
(ApplicationBar.Buttons[0] as IApplicationBarIconButton).IsEnabled = true;
FeatureChoicesPage.Visibility = Visibility.Visible;
};
FeatureListBox.Items.Clear();
queryTask.ExecuteAsync(query);
}
private void MyDrawSurface_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args)
{
ResultsDisplay.Visibility = Visibility.Collapsed;
MyDrawObject.IsEnabled = false;
selectionGraphicslayer.Graphics.Clear();
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
// Bind data grid to query results
Binding resultFeaturesBinding = new Binding("LastResult.Features");
resultFeaturesBinding.Source = queryTask;
QueryDetailsDataGrid.SetBinding(DataGrid.ItemsSourceProperty, resultFeaturesBinding);
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
// Specify fields to return from query
query.OutFields.AddRange(new string[] { "STATE_NAME", "SUB_REGION", "STATE_FIPS", "STATE_ABBR", "POP2000", "POP2007" });
query.Geometry = args.Geometry;
// Return geometry with result features
query.ReturnGeometry = true;
query.OutSpatialReference = MyMap.SpatialReference;
queryTask.ExecuteAsync(query);
}
private void RunFindParcelQuery(LayerDefinition layerDefn)
{
QueryTask queryTask = new QueryTask(layerDefn.Layer());
if (queryTask == null)
{
return;
}
queryTask.ExecuteCompleted += QueryLayer_ExecuteCompleted;
queryTask.Failed += QueryLayer_Failed;
queryTask.CancelAsync();
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutFields.AddRange(layerDefn.AllFields);
query.ReturnGeometry = true;
query.OutSpatialReference = ParcelMap.SpatialReference;
// if the upper function is null/empty (it defaults to UPPER), then
// an exact case search is performed.
string upper = _xmlConfiguation.UpperFunction;
string wild = _xmlConfiguation.WildcardCharacter;
string endFn = "";
if (upper != "")
{
upper += "(";
endFn = ")";
}
// if the wide card function is null/empty (it defaults to %), then
// an exact search (case and value) is performed.
string where = "";
foreach (string field in layerDefn.SearchFields)
{
if (where != "")
{
where += " or ";
}
if (wild == "")
{
where += "(" + field + " = '" + SearchItem.Text + "')";
}
else
{
where += "(" + upper + field + endFn + " like '" + wild + SearchItem.Text.ToUpper() + wild + "')";
}
}
query.Where = where;
queryTask.ExecuteAsync(query, layerDefn);
}
void QueryButton_Click(object sender, RoutedEventArgs e)
{
QueryTask queryTask =
new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.Text = StateNameTextBox.Text;
query.OutFields.Add("*");
queryTask.ExecuteAsync(query);
}
private void CitiesGraphicsLayer_Initialized(object sender, EventArgs e)
{
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Geometry = new ESRI.ArcGIS.Client.Geometry.Envelope(-180, 0, 0, 90)
};
query.OutFields.Add("*");
query.Where = "POP1990 > 100000";
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Specialty/ESRI_StatesCitiesRivers_USA/MapServer/0");
queryTask.ExecuteCompleted += CitiesGraphicsLayerQueryTask_ExecuteCompleted;
queryTask.ExecuteAsync(query);
}
void StatesGraphicsLayer_Initialized(object sender, EventArgs args)
{
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Geometry = new ESRI.ArcGIS.Client.Geometry.Envelope(-180, 0, 0, 90)
};
query.OutFields.Add("*");
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += StatesGraphicsLayerQueryTask_ExecuteCompleted;
queryTask.ExecuteAsync(query);
}
void QueryButton_Click(object sender, RoutedEventArgs e)
{
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" +
"Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.Text = StateNameTextBox.Text;
query.OutFields.Add("*");
queryTask.ExecuteAsync(query);
}
private void LoadPolygonGraphics()
{
QueryTask queryTask =
new QueryTask("http://servicesbeta5.esri.com/arcgis/rest/services/UnitedStates/FeatureServer/3");
queryTask.ExecuteCompleted += queryTaskPolygon_ExecuteCompleted;
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutSpatialReference = MyMap.SpatialReference;
query.ReturnGeometry = true;
query.Where = "1=1";
query.OutFields.AddRange(new string[] { "STATE_NAME", "POP2000" });
queryTask.ExecuteAsync(query);
}
public CreateWebMapObject()
{
InitializeComponent();
//Define BaseMap Layer
basemap = new BaseMap()
{
Layers = new List<WebMapLayer> { new WebMapLayer { Url = "http://services.arcgisonline.com/ArcGIS/rest/services/World_Street_Map/MapServer" } }
};
//Add a ArcGISDynamicMapService
operationLayers.Add(new WebMapLayer
{
Url = "http://serverapps10.esri.com/ArcGIS/rest/services/California/MapServer",
VisibleLayers = new List<object> { 0, 1, 3, 6, 9 }
});
//Define popup
IList<FieldInfo> fieldinfos = new List<FieldInfo>();
fieldinfos.Add(new FieldInfo() { FieldName = "STATE_NAME", Label = "State", Visible = true });
IList<MediaInfo> mediainfos = new List<MediaInfo>();
MediaInfoValue infovalue = new MediaInfoValue();
infovalue.Fields = new string[] { "POP2000,POP2007" };
mediainfos.Add(new MediaInfo() { Type = MediaType.PieChart, Value = infovalue });
PopupInfo popup = new PopupInfo() { FieldInfos = fieldinfos, MediaInfos = mediainfos, Title = "Population Change between 2000 and 2007", };
//Add a Feature Layer with popup
operationLayers.Add(new WebMapLayer
{
Url = "http://sampleserver6.arcgisonline.com/arcgis/rest/services/Census/MapServer/3",
Mode = FeatureLayer.QueryMode.OnDemand,
PopupInfo = popup
});
//Perform Query to get a featureSet and add to webmap as featurecollection
QueryTask qt = new QueryTask() { Url = "http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Earthquakes/EarthquakesFromLastSevenDays/MapServer/0" };
qt.ExecuteCompleted += qt_ExecuteCompleted;
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutFields.Add("*");
query.Where = "magnitude > 3.5";
query.ReturnGeometry = true;
qt.Failed += (a, b) =>
{
MessageBox.Show("QueryTask failed to execute:" + b.Error);
};
qt.ExecuteAsync(query);
}
void Layers_LayersInitialized(object sender, EventArgs args)
{
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Geometry = MyMap.Extent,
ReturnGeometry=true,
OutSpatialReference = MyMap.SpatialReference
};
query.OutFields.Add("*");
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.ExecuteAsync(query);
}
void Layers_LayersInitialized(object sender, EventArgs args)
{
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
OutSpatialReference = MyMap.SpatialReference,
ReturnGeometry = true
};
query.OutFields.Add("STATE_NAME");
query.Where = "STATE_NAME IN ('Alaska', 'Hawaii', 'Washington', 'Oregon', 'Arizona', 'Nevada', 'Idaho', 'Montana', 'Utah', 'Wyoming', 'Colorado', 'New Mexico')";
QueryTask myQueryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
myQueryTask.ExecuteCompleted += myQueryTask_ExecuteCompleted;
myQueryTask.ExecuteAsync(query);
}
void Layers_LayersInitialized(object sender, EventArgs args)
{
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Geometry = MyMap.Extent,
ReturnGeometry = true,
OutSpatialReference = MyMap.SpatialReference
};
query.OutFields.Add("*");
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.ExecuteAsync(query);
}
private void CitiesGraphicsLayerLoad()
{
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Geometry = new ESRI.ArcGIS.Client.Geometry.Envelope(-180, 0, 0, 90),
ReturnGeometry = true,
OutSpatialReference = MyMap.SpatialReference
};
query.OutFields.Add("*");
query.Where = "POP1990 > 100000";
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Specialty/ESRI_StatesCitiesRivers_USA/MapServer/0");
queryTask.ExecuteCompleted += CitiesGraphicsLayerQueryTask_ExecuteCompleted;
queryTask.ExecuteAsync(query);
}
void StatesGraphicsLayerLoad()
{
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Geometry = new ESRI.ArcGIS.Client.Geometry.Envelope(-180, 0, 0, 90),
ReturnGeometry = true,
OutSpatialReference = MyMap.SpatialReference
};
query.OutFields.Add("*");
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += StatesGraphicsLayerQueryTask_ExecuteCompleted;
queryTask.ExecuteAsync(query);
}
void Layers_LayersInitialized(object sender, EventArgs args)
{
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
OutSpatialReference = MyMap.SpatialReference,
ReturnGeometry = true
};
query.OutFields.Add("STATE_NAME");
query.Where = "STATE_NAME IN ('Alaska', 'Hawaii', 'Washington', 'Oregon', 'Arizona', 'Nevada', 'Idaho', 'Montana', 'Utah', 'Wyoming', 'Colorado', 'New Mexico')";
QueryTask myQueryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
myQueryTask.ExecuteCompleted += myQueryTask_ExecuteCompleted;
myQueryTask.ExecuteAsync(query);
}
private void doQuery(ESRI.ArcGIS.Client.Geometry.Geometry geometry)
{
QueryTask queryTask = new QueryTask("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/BloomfieldHillsMichigan/Parcels/MapServer/2");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Geometry = geometry,
SpatialRelationship = SpatialRelationship.esriSpatialRelContains,
OutSpatialReference = MyMap.SpatialReference,
ReturnGeometry = true
};
query.OutFields.Add("*");
queryTask.ExecuteAsync(query);
}
private void LoadPolygonGraphics()
{
QueryTask queryTask =
new QueryTask("http://servicesbeta5.esri.com/arcgis/rest/services/UnitedStates/FeatureServer/3");
queryTask.ExecuteCompleted += queryTaskPolygon_ExecuteCompleted;
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutSpatialReference = MyMap.SpatialReference;
query.ReturnGeometry = true;
query.Where = "1=1";
query.OutFields.AddRange(new string[] { "STATE_NAME", "POP2000" });
queryTask.ExecuteAsync(query);
}
void GeometryService_BufferCompleted(object sender, GraphicsEventArgs args)
{
Graphic bufferGraphic = new Graphic();
bufferGraphic.Geometry = args.Results[0].Geometry;
bufferGraphic.Symbol = LayoutRoot.Resources["BufferSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
bufferGraphic.SetZIndex(1);
_pointAndBufferGraphicsLayer.Graphics.Add(bufferGraphic);
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.ReturnGeometry = true;
query.OutSpatialReference = MyMap.SpatialReference;
query.Geometry = bufferGraphic.Geometry;
query.OutFields.Add("OWNERNME1");
_queryTask.ExecuteAsync(query);
}
void MyMap_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == "SpatialReference")
{
MyMap.PropertyChanged -= MyMap_PropertyChanged;
_legendGridCollapsed = false;
_classGridCollapsed = false;
LegendCollapsedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp;
LegendExpandedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp;
ClassCollapsedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp;
ClassExpandedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp;
// Get start value for number of classifications in XAML.
_lastGeneratedClassCount = Convert.ToInt32(((ComboBoxItem)ClassCountCombo.SelectedItem).Content);
// Set query where clause to include features with an area greater than 70 square miles. This
// will effectively exclude the District of Columbia from attributes to avoid skewing classifications.
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Where = "SQMI > 70",
OutSpatialReference = MyMap.SpatialReference,
ReturnGeometry = true
};
query.OutFields.Add("*");
QueryTask queryTask =
new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += (evtsender, args) =>
{
if (args.FeatureSet == null)
{
return;
}
_featureSet = args.FeatureSet;
SetRangeValues();
RenderButton.IsEnabled = true;
};
queryTask.ExecuteAsync(query);
CreateColorList();
CreateThematicList();
}
}
private void LoadPolygonGraphics()
{
QueryTask queryTask =
new QueryTask("http://serverapps.esri.com/SDS/databases/Demo/dbo.USStates_Mercator");
queryTask.ExecuteCompleted += queryTaskPolygon_ExecuteCompleted;
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutSpatialReference = MyMap.SpatialReference;
query.ReturnGeometry = true;
query.Where = "1=1";
// Note, query.Text is not supported for use with MapIt
query.OutFields.AddRange(new string[] { "STATE_NAME", "POP2008" });
queryTask.ExecuteAsync(query);
}
private void QueryComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (QueryComboBox.SelectedItem.ToString().Contains("Select..."))
return;
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.ReturnGeometry = true;
query.Text = QueryComboBox.SelectedItem.ToString();
query.OutSpatialReference = MyMap.SpatialReference;
query.OutFields.Add("*");
queryTask.ExecuteAsync(query);
}
private void LoadGraphics()
{
QueryTask queryTask =
new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Specialty/ESRI_StatesCitiesRivers_USA/MapServer/0");
queryTask.ExecuteCompleted += queryTask_ExecuteCompleted;
Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
OutSpatialReference = MyMap.SpatialReference,
ReturnGeometry = true,
Where = "1=1"
};
query.OutFields.AddRange(new string[] { "CITY_NAME", "POP1990" });
queryTask.ExecuteAsync(query);
}
private void LoadPointGraphics(int minLimitRange, int maxLimitRange)
{
QueryTask queryTask =
new QueryTask("http://servicesbeta5.esri.com/arcgis/rest/services/UnitedStates/FeatureServer/0");
queryTask.ExecuteCompleted += queryTaskPoint_ExecuteCompleted;
queryTask.Failed += queryTask_Failed;
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutSpatialReference = MyMap.SpatialReference;
query.ReturnGeometry = true;
query.OutFields.AddRange(new string[] { "POP2000", "AREANAME" });
query.Where = string.Format("(OBJECTID >= {0}) AND (OBJECTID <= {1})",
minLimitRange, maxLimitRange);
queryTask.ExecuteAsync(query);
}
private void MyDrawObject_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args)
{
myDrawObject.IsEnabled = false;
QueryTask queryTask = new QueryTask("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Portland/Aerial/ImageServer/query");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutFields.Add("*");
query.Geometry = args.Geometry;
query.ReturnGeometry = true;
query.OutSpatialReference = MyMap.SpatialReference;
query.Where = "Category = 1";
queryTask.ExecuteAsync(query);
}
void GeometryService_BufferCompleted(object sender, GraphicsEventArgs args)
{
Graphic bufferGraphic = new Graphic();
bufferGraphic.Geometry = args.Results[0].Geometry;
bufferGraphic.Symbol = LayoutRoot.Resources["BufferSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
bufferGraphic.SetZIndex(1);
_pointAndBufferGraphicsLayer.Graphics.Add(bufferGraphic);
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.ReturnGeometry = true;
query.OutSpatialReference = MyMap.SpatialReference;
query.Geometry = bufferGraphic.Geometry;
query.OutFields.Add("OWNERNME1");
_queryTask.ExecuteAsync(query);
}
private void LoadGraphics()
{
QueryTask queryTask =
new QueryTask("http://servicesbeta5.esri.com/arcgis/rest/services/World/FeatureServer/0");
queryTask.ExecuteCompleted += queryTask_ExecuteCompleted;
queryTask.DisableClientCaching = true;
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutSpatialReference = MyMap.SpatialReference;
query.ReturnGeometry = true;
query.Where = "POP_RANK < 4";
// Note, query.Text is not supported for use with Spatial Data Services
query.OutFields.AddRange(new string[] { "CITY_NAME" });
queryTask.ExecuteAsync(query);
}
void ThematicLayerControl_Loaded(object sender, RoutedEventArgs e)
{
ClassCountCombo.ItemsSource = new int[] { 3, 4, 5, 6 };
ClassTypeCombo.ItemsSource = new string[] { "Quantile", "Equal Interval" };
ColorBlendCombo.SelectedIndex = ClassTypeCombo.SelectedIndex = ClassCountCombo.SelectedIndex = 0;
// Get start value for number of classifications in XAML.
_lastGeneratedClassCount = 3;
// Set query where clause to include features with an area greater than 70 square miles. This
// will effectively exclude the District of Columbia from attributes to avoid skewing classifications.
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Where = "SQMI > 70"
};
query.OutFields.Add("*");
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" +
"Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += (evtsender, args) =>
{
if (args.FeatureSet == null)
{
return;
}
_featureSet = args.FeatureSet;
if (_featureSet != null && _featureSet.Features.Count > 0)
{
// Clear previous graphic features
Layer.ClearGraphics();
for (int i = 0; i < _featureSet.Features.Count; i++)
{
Layer.Graphics.Add(_featureSet.Features[i]);
}
SetRangeValues();
// RenderButton.IsEnabled = true;
}
};
queryTask.ExecuteAsync(query);
CreateColorList();
CreateThematicList();
}
private void LoadGraphics()
{
QueryTask queryTask =
new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Specialty/ESRI_StatesCitiesRivers_USA/MapServer/0");
queryTask.ExecuteCompleted += queryTask_ExecuteCompleted;
Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
OutSpatialReference = MyMap.SpatialReference,
ReturnGeometry = true,
Where = "1=1"
};
query.OutFields.Add("CITY_NAME");
queryTask.ExecuteAsync(query);
}
private void doQuery(ESRI.ArcGIS.Client.Geometry.Geometry geometry)
{
QueryTask queryTask = new QueryTask("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/BloomfieldHillsMichigan/Parcels/MapServer/2");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Geometry = geometry,
SpatialRelationship = SpatialRelationship.esriSpatialRelContains,
OutSpatialReference = MyMap.SpatialReference,
ReturnGeometry = true
};
query.OutFields.Add("*");
queryTask.ExecuteAsync(query);
}
private string QueryRouteNameByUserName()
{
string routeName = null;
while (String.IsNullOrEmpty(_username))
{
_loginDialog.ShowDialog();
_username = _loginDialog.UserName;
}
try
{
string accountNameFieldAlias = ConfigurationManager.AppSettings.Get("RouteAssignmentAccountFieldAlias");
string accountNameFieldName = _flRouteAssignment.FieldAliasToName(accountNameFieldAlias);
QueryTask queryTask = new QueryTask(_flRouteAssignment.Url);
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.Where = accountNameFieldName + "='" + _username + "'";
query.ReturnGeometry = false;
query.OutFields.AddRange(new string[] { "*" });
queryTask.Execute(query);
if (queryTask.LastResult.Features.Count() > 0)
{
string routeNameFieldAlias = ConfigurationManager.AppSettings.Get("RouteAssignmentRouteFieldAlias");
string routeNameFieldName = _flRouteAssignment.FieldAliasToName(routeNameFieldAlias);
Graphic feature = queryTask.LastResult.Features.First();
if (feature.Attributes.ContainsKey(routeNameFieldName))
{
routeName = feature.Attributes[routeNameFieldName].ToString();
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
if (routeName == null)
{
MessageBox.Show("Please make sure '" + _username + "' is listed in the '" + _flRouteAssignment.FeatureLayer.DisplayName + "' feature service layer.", "Error retreiving the Route Name for " + _username, MessageBoxButton.OK, MessageBoxImage.Error);
Application.Current.Shutdown();
}
return(routeName);
}
private void LoadGraphics()
{
QueryTask queryTask =
new QueryTask("http://mapit.cloudapp.net/databases/Demo/dbo.WorldCities");
queryTask.ExecuteCompleted += queryTask_ExecuteCompleted;
queryTask.DisableClientCaching = true;
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutSpatialReference = MyMap.SpatialReference;
query.ReturnGeometry = true;
query.Where = "1=1";
// Note, query.Text is not supported for use with Spatial Data Services
query.OutFields.AddRange(new string[] { "NAME", "POPULATION" });
queryTask.ExecuteAsync(query);
}
private void LoadGraphics()
{
QueryTask queryTask =
new QueryTask("http://servicesbeta5.esri.com/arcgis/rest/services/World/FeatureServer/0");
queryTask.ExecuteCompleted += queryTask_ExecuteCompleted;
queryTask.DisableClientCaching = true;
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutSpatialReference = MyMap.SpatialReference;
query.ReturnGeometry = true;
query.Where = "POP_RANK < 4";
// Note, query.Text is not supported for use with Spatial Data Services
query.OutFields.AddRange(new string[] { "CITY_NAME" });
queryTask.ExecuteAsync(query);
}
public void setsource()
{
try
{
QueryTask queryTask = new QueryTask();
queryTask.Url = url;
queryTask.ExecuteCompleted += new EventHandler <QueryEventArgs>(queryTask_ExecuteCompleted);
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.ReturnGeometry = true;
query.Where = filter;
// query.OutFields.Add("OBJECTID"); SDE 发布的需要这条
queryTask.ExecuteAsync(query);
}
catch
{
//throw;
}
}
public void refreshnow()
{
try
{
QueryTask queryTask = new QueryTask();
queryTask.Url = url;
queryTask.ExecuteCompleted += new EventHandler <QueryEventArgs>(queryTask_ExecuteCompleted);
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.ReturnGeometry = true;
query.Where = filter;
// query.OutFields.Add("OBJECTID");
queryTask.ExecuteAsync(query);
}
catch
{
//throw;//LPY 2015-8-11 11:09:45 注释掉
}
}
private void LoadPointGraphics(int minLimitRange, int maxLimitRange)
{
QueryTask queryTask =
new QueryTask("http://serverapps.esri.com/SDS/databases/Demo/dbo.USCities_Mercator");
queryTask.ExecuteCompleted += queryTaskPoint_ExecuteCompleted;
queryTask.Failed += queryTask_Failed;
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutSpatialReference = MyMap.SpatialReference;
query.ReturnGeometry = true;
query.OutFields.AddRange(new string[] { "POP2007", "NAME" });
query.Where = string.Format("(FID >= {0}) AND (FID <= {1})",
minLimitRange, maxLimitRange);
queryTask.ExecuteAsync(query);
}
private void MyDrawObject_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args)
{
myDrawObject.IsEnabled = false;
QueryTask queryTask = new QueryTask("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Portland/Aerial/ImageServer/query");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutFields.Add("*");
query.Geometry = args.Geometry;
query.ReturnGeometry = true;
query.OutSpatialReference = MyMap.SpatialReference;
query.Where = "Category = 1";
queryTask.ExecuteAsync(query);
}
public AttributeQuery()
{
InitializeComponent();
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
// Specify fields to return from initial query
query.OutFields.AddRange(new string[] { "STATE_NAME" });
// This query will just populate the drop-down, so no need to return geometry
query.ReturnGeometry = false;
// Return all features
query.Where = "1=1";
queryTask.ExecuteAsync(query, "initial");
}
private void LoadPointGraphics(int minLimitRange, int maxLimitRange)
{
QueryTask queryTask =
new QueryTask("http://servicesbeta5.esri.com/arcgis/rest/services/UnitedStates/FeatureServer/0");
queryTask.ExecuteCompleted += queryTaskPoint_ExecuteCompleted;
queryTask.Failed += queryTask_Failed;
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutSpatialReference = MyMap.SpatialReference;
query.ReturnGeometry = true;
query.OutFields.AddRange(new string[] { "POP2000", "AREANAME" });
query.Where = string.Format("(OBJECTID >= {0}) AND (OBJECTID <= {1})",
minLimitRange, maxLimitRange);
queryTask.ExecuteAsync(query);
}
private void QueryComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (QueryComboBox.SelectedItem.ToString().Contains("Select..."))
{
return;
}
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutFields.Add("*");
query.ReturnGeometry = true;
query.Text = QueryComboBox.SelectedItem.ToString();
query.OutSpatialReference = MyMap.SpatialReference;
queryTask.ExecuteAsync(query);
}
private void MyDrawSurface_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args)
{
ResultsDisplay.Visibility = Visibility.Collapsed;
MyDrawObject.IsEnabled = false;
selectionGraphicslayer.ClearGraphics();
// Bind data grid to query results
Binding resultFeaturesBinding = new Binding("LastResult.Features");
resultFeaturesBinding.Source = MyQueryTask;
QueryDetailsDataGrid.SetBinding(DataGrid.ItemsSourceProperty, resultFeaturesBinding);
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutFields.AddRange(new string[] { "STATE_NAME", "POP2000", "SUB_REGION" });
query.OutSpatialReference = MyMap.SpatialReference;
query.Geometry = args.Geometry;
query.SpatialRelationship = SpatialRelationship.esriSpatialRelIntersects;
query.ReturnGeometry = true;
MyQueryTask.ExecuteAsync(query);
}
/* ****** Identify using Query Service ****** */
private void QueryIdentifyTask_ExecuteCompleted(object sender, QueryEventArgs args)
{
QueryItem queryItem = args.UserState as QueryItem;
if (queryItem.Index == 0)
{
IdentifyComboBox.Items.Clear();
_layersIdentified.Clear();
IdentifyDetailsDataGrid.ItemsSource = null;
}
// display search results for this layers query.
if (args.FeatureSet.Features.Count > 0)
{
foreach (Graphic feature in args.FeatureSet.Features)
{
string title = queryItem.IdentifyLayerName;
feature.Attributes.Remove("Shape");
feature.Attributes.Remove("OBJECTID");
_dataItems.Add(new DataItem()
{
Title = title,
Data = feature.Attributes
});
IdentifyComboBox.Items.Add(title);
if (_activeIdentifyLayer == title)
queryItem.ActiveLayer = _layersIdentified.Count;
_layersIdentified.Add(title);
}
}
if (queryItem.Next()) // this increments the internal index
{
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.SpatialRelationship = SpatialRelationship.esriSpatialRelIntersects;
query.Geometry = queryItem.BufferedPoint;
query.OutFields.AddRange(new string[] { "*" });
QueryTask queryTask = new QueryTask(queryItem.IdentifyLayerUrl);
queryTask.ExecuteCompleted += QueryIdentifyTask_ExecuteCompleted;
queryTask.Failed += QueryIdentifyTask_Failed;
queryTask.ExecuteAsync(query, queryItem);
}
else // We are done with all our queries, display the result.
{
IdentifyComboBox.SelectedIndex = queryItem.ActiveLayer;
Visibility = System.Windows.Visibility.Visible;
if ((_dataItems == null) || (_dataItems.Count == 0))
{
NoResult.Visibility = Visibility.Visible;
Results.Visibility = Visibility.Collapsed;
}
else
{
NoResult.Visibility = Visibility.Collapsed;
Results.Visibility = Visibility.Visible;
}
}
}
private async void MyMap_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e)
{
try
{
if (_cts != null)
_cts.Cancel();
_cts = new CancellationTokenSource();
Graphic clickGraphic = new Graphic();
clickGraphic.Symbol = LayoutRoot.Resources["DefaultMarkerSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
clickGraphic.Geometry = e.MapPoint;
clickGraphic.Geometry.SpatialReference = MyMap.SpatialReference;
_pointAndBufferGraphicsLayer.Graphics.Clear();
_resultsGraphicsLayer.Graphics.Clear();
clickGraphic.SetZIndex(2);
_pointAndBufferGraphicsLayer.Graphics.Add(clickGraphic);
ESRI.ArcGIS.Client.Tasks.BufferParameters bufferParams = new ESRI.ArcGIS.Client.Tasks.BufferParameters()
{
BufferSpatialReference = new SpatialReference(4326),
OutSpatialReference = MyMap.SpatialReference,
Unit = LinearUnit.Meter,
};
bufferParams.Distances.Add(100);
bufferParams.Features.Add(clickGraphic);
BufferResult bufferResult = await _geometryService.BufferTaskAsync(bufferParams, _cts.Token);
Graphic bufferGraphic = new Graphic();
bufferGraphic.Geometry = bufferResult.Results[0].Geometry;
bufferGraphic.Symbol = LayoutRoot.Resources["BufferSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
bufferGraphic.SetZIndex(1);
_pointAndBufferGraphicsLayer.Graphics.Add(bufferGraphic);
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.ReturnGeometry = true;
query.OutSpatialReference = MyMap.SpatialReference;
query.Geometry = bufferGraphic.Geometry;
query.OutFields.Add("OWNERNME1");
QueryResult queryResult = await _queryTask.ExecuteTaskAsync(query, _cts.Token);
if (queryResult.FeatureSet.Features.Count < 1)
{
MessageBox.Show("No features found");
return;
}
foreach (Graphic selectedGraphic in queryResult.FeatureSet.Features)
{
selectedGraphic.Symbol = LayoutRoot.Resources["ParcelSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
_resultsGraphicsLayer.Graphics.Add(selectedGraphic);
}
}
catch (Exception ex)
{
if (ex is ServiceException)
{
MessageBox.Show(String.Format("{0}: {1}", (ex as ServiceException).Code.ToString(), (ex as ServiceException).Details[0]), "Error", MessageBoxButton.OK);
return;
}
}
}
private string QueryRouteNameByUserName()
{
string routeName = null;
while (String.IsNullOrEmpty(_username))
{
_loginDialog.ShowDialog();
_username = _loginDialog.UserName;
}
try
{
string accountNameFieldAlias = ConfigurationManager.AppSettings.Get("RouteAssignmentAccountFieldAlias");
string accountNameFieldName = _flRouteAssignment.FieldAliasToName(accountNameFieldAlias);
QueryTask queryTask = new QueryTask(_flRouteAssignment.Url);
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.Where = accountNameFieldName + "='" + _username + "'";
query.ReturnGeometry = false;
query.OutFields.AddRange(new string[] { "*" });
queryTask.Execute(query);
if (queryTask.LastResult.Features.Count() > 0)
{
string routeNameFieldAlias = ConfigurationManager.AppSettings.Get("RouteAssignmentRouteFieldAlias");
string routeNameFieldName = _flRouteAssignment.FieldAliasToName(routeNameFieldAlias);
Graphic feature = queryTask.LastResult.Features.First();
if (feature.Attributes.ContainsKey(routeNameFieldName))
routeName = feature.Attributes[routeNameFieldName].ToString();
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
if (routeName == null)
{
MessageBox.Show("Please make sure '" + _username + "' is listed in the '" + _flRouteAssignment.FeatureLayer.DisplayName + "' feature service layer.", "Error retreiving the Route Name for " + _username, MessageBoxButton.OK, MessageBoxImage.Error);
Application.Current.Shutdown();
}
return routeName;
}
//Query Task
void QueryButton_Click(object sender, RoutedEventArgs e)
{
QueryTask queryTask =
new QueryTask("http://maverick.arcgis.com/ArcGIS/rest/services/World_WGS84/MapServer/0");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.Text = StateNameTextBox.Text;
query.OutFields.Add("*");
queryTask.ExecuteAsync(query);
}
/// <summary>
/// Runs a test query against the specified date field to determine the type of data source.
/// </summary>
private static void QueryDate(string dataSetUrl, bool useProxy, SubLayerField dateField, string dataSource, EventHandler<DataSourceEventArgs> callback)
{
DateTime testDate = new DateTime(1977, 12, 01, 0, 0, 0, 0);
QueryTask qT = new QueryTask(dataSetUrl);
if (useProxy)
qT.ProxyURL = ArcGISOnlineEnvironment.ConfigurationUrls.ProxyServerEncoded;
ESRI.ArcGIS.Client.Tasks.Query q = new ESRI.ArcGIS.Client.Tasks.Query();
q.OutFields.Add(dateField.Name);
q.Where = dateField.Name + " = " + Format(testDate, dataSource);
q.ReturnGeometry = false;
EventHandler<ESRI.ArcGIS.Client.Tasks.QueryEventArgs> completedHandler = null;
completedHandler = (object sender, ESRI.ArcGIS.Client.Tasks.QueryEventArgs e) =>
{
callback(null, new DataSourceEventArgs() { DataSource = dataSource });
};
qT.ExecuteCompleted += completedHandler;
//execute the query
//
qT.ExecuteAsync(q);
}
private void MyDrawSurface_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args)
{
GraphicsLayer selectionGraphicslayer = Map.Layers["MySelectionGraphicsLayer"] as GraphicsLayer;
selectionGraphicslayer.ClearGraphics();
// Bind data grid to query results
Binding resultFeaturesBinding = new Binding("LastResult.Features");
resultFeaturesBinding.Source = _queryTask;
QueryDetailsDataGrid.SetBinding(DataGrid.ItemsSourceProperty, resultFeaturesBinding);
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.OutFields.AddRange(new string[] { "state_name", "pop2000", "sub_region" });
query.OutSpatialReference = Map.SpatialReference;
query.Geometry = args.Geometry;
query.SpatialRelationship = SpatialRelationship.esriSpatialRelIntersects;
query.ReturnGeometry = true;
_queryTask.ExecuteAsync(query);
}
void MyMap_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
if (e.PropertyName == "SpatialReference")
{
MyMap.PropertyChanged -= MyMap_PropertyChanged;
_legendGridCollapsed = false;
_classGridCollapsed = false;
LegendCollapsedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp;
LegendExpandedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp;
ClassCollapsedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp;
ClassExpandedTriangle.MouseLeftButtonUp += Triangle_MouseLeftButtonUp;
// Get start value for number of classifications in XAML.
_lastGeneratedClassCount = Convert.ToInt32(((ComboBoxItem)ClassCountCombo.SelectedItem).Content);
// Set query where clause to include features with an area greater than 70 square miles. This
// will effectively exclude the District of Columbia from attributes to avoid skewing classifications.
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Where = "SQMI > 70",
OutSpatialReference = MyMap.SpatialReference,
ReturnGeometry = true
};
query.OutFields.Add("*");
QueryTask queryTask =
new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += (evtsender, args) =>
{
if (args.FeatureSet == null)
return;
_featureSet = args.FeatureSet;
SetRangeValues();
RenderButton.IsEnabled = true;
};
queryTask.ExecuteAsync(query);
CreateColorList();
CreateThematicList();
}
}
/// <summary>
/// Initializes the Data tab with a sample view of attributes of the layer.
/// </summary>
private void SetupPreview()
{
if (FeatureLayer == null)
return;
QueryTask qT = new QueryTask(FeatureLayer.Url);
qT.ProxyURL = FeatureLayer.ProxyUrl;
ESRI.ArcGIS.Client.Tasks.Query q = new ESRI.ArcGIS.Client.Tasks.Query();
foreach (var field in QueryProperties.SubLayerDescription.Fields)
q.OutFields.Add(field.Name);
q.Where = "1=1"; //query for features in the layer, todo: any way to limit the number of features returned?
q.ReturnGeometry = false;
EventHandler<ESRI.ArcGIS.Client.Tasks.QueryEventArgs> completedHandler = null;
EventHandler<TaskFailedEventArgs> failedHandler = null;
completedHandler = (object sender, ESRI.ArcGIS.Client.Tasks.QueryEventArgs e) =>
{
PreviewDataGrid.Columns.Clear();
if (e.FeatureSet == null || e.FeatureSet.Features == null || e.FeatureSet.Features.Count == 0)
return;
//set up the columns of the table
//if a field does not exist in the layer description don't add it to the table
//this is the case for the geometry field
//
List<string> columns = new List<string>();
foreach (string key in e.FeatureSet.Features[0].Attributes.Keys)
if (GetField(key) != null)
columns.Add(key);
int count = 0;
Table table = new Table(columns.ToArray());
foreach (Graphic feature in e.FeatureSet)
{
List<object> cells = new List<object>();
foreach (var attribute in feature.Attributes)
{
SubLayerField field = GetField(attribute.Key);
if (field == null)
continue;
if (field.AttributeDomain != null && field.AttributeDomain.Type == "codedValue" && attribute.Value != null)
cells.Add(field.AttributeDomain[attribute.Value]);
else
{
//if the field value is a date in milliseconds format it to a user readable date
//
string formattedDateString = null;
if (field.Type == "esriFieldTypeDate" && attribute.Value != null && attribute.Value.ToString().TryParseToDateString(out formattedDateString))
cells.Add(formattedDateString);
else
cells.Add(attribute.Value);
}
}
table.Rows.Add(new Row(cells.ToArray()));
count++;
if (count == 25)
break;
}
//initialize the DataGrid columns
//
foreach (DataGridTextColumn column in table.Columns)
{
column.CanUserSort = true;
PreviewDataGrid.Columns.Add(column);
}
//setting the table as the DataContext of the DataGrid initializes the rows via binding
//
PreviewDataGrid.DataContext = table;
PreviewDataGrid.UpdateLayout();
if (table.Rows.Count > 0 && PreviewDataGrid.Columns.Count > 0)
PreviewDataGrid.ScrollIntoView(table.Rows[0].Cells[0], PreviewDataGrid.Columns[0]);
DataPreviewProgressIndicator.Visibility = Visibility.Collapsed;
};
failedHandler = ((object sender, TaskFailedEventArgs e) =>
{
FailedPreviewTextBlock.Visibility = Visibility.Visible;
DataPreviewProgressIndicator.Visibility = Visibility.Collapsed;
});
qT.ExecuteCompleted += completedHandler;
qT.Failed += failedHandler;
//execute the query
//
qT.ExecuteAsync(q);
}
private void LoadGraphics()
{
// Set query where clause to include features with an area greater than 70 square miles. This
// will effectively exclude the District of Columbia from attributes to avoid skewing classifications.
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Where = "SQMI > 70",
ReturnGeometry = true,
OutSpatialReference = MyMap.SpatialReference
};
query.OutFields.Add("*");
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/" +
"Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += (evtsender, args) =>
{
if (args.FeatureSet == null)
return;
_featureSet = args.FeatureSet;
SetRangeValues();
RenderButton.IsEnabled = true;
};
queryTask.ExecuteAsync(query);
CreateColorList();
CreateThematicList();
}
private Graphic QueryRouteFeatureByName(String routeName)
{
LookupFieldNames();
if (_routesRouteNameFieldName == null)
return null;
// TODO: get the feature directly from the feature layer instead of querying for it
QueryTask queryTask = new QueryTask(_flRoutes.Url);
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.Where = (_routesRouteNameFieldName + "='" + routeName + "'");
query.ReturnGeometry = true;
query.OutFields.AddRange(new string[] { "*" });
queryTask.Execute(query);
if (queryTask.LastResult.Features.Count() > 0)
return queryTask.LastResult.Features.First();
else
return null;
}
private void MyMap_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e)
{
MyInfoWindow.IsOpen = false;
double mapScale = MyMap.Scale;
ArcGISDynamicMapServiceLayer alayer = null;
DataTemplate dt = null;
int layid = 0;
foreach (Layer layer in MyMap.Layers)
{
if (layer.GetValue(Document.PopupTemplatesProperty) != null)
{
alayer = layer as ArcGISDynamicMapServiceLayer;
IDictionary<int, DataTemplate> idict = layer.GetValue(Document.PopupTemplatesProperty) as IDictionary<int, DataTemplate>;
foreach (LayerInfo linfo in alayer.Layers)
{
if (((mapScale > linfo.MaxScale // in scale range
&& mapScale < linfo.MinScale) ||
(linfo.MaxScale == 0.0 // no scale dependency
&& linfo.MinScale == 0.0) ||
(mapScale > linfo.MaxScale // minscale = 0.0 = infinity
&& linfo.MinScale == 0.0)) &&
idict.ContainsKey(linfo.ID)) // id present in dictionary
{
layid = linfo.ID;
dt = idict[linfo.ID];
break;
}
}
}
}
if (dt != null)
{
QueryTask qt = new QueryTask(string.Format("{0}/{1}", alayer.Url, layid));
qt.ExecuteCompleted += (s, qe) =>
{
if (qe.FeatureSet.Features.Count > 0)
{
Graphic g = qe.FeatureSet.Features[0];
MyInfoWindow.Anchor = e.MapPoint;
MyInfoWindow.ContentTemplate = dt;
MyInfoWindow.Content = g.Attributes;
MyInfoWindow.IsOpen = true;
}
};
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
double contractRatio = MyMap.Extent.Width / 20;
Envelope inputEnvelope = new Envelope(e.MapPoint.X - contractRatio,
e.MapPoint.Y - contractRatio,
e.MapPoint.X + contractRatio,
e.MapPoint.Y + contractRatio);
inputEnvelope.SpatialReference = MyMap.SpatialReference;
query.Geometry = inputEnvelope;
query.OutSpatialReference = MyMap.SpatialReference;
query.OutFields.Add("*");
qt.ExecuteAsync(query);
}
}
private void MyDrawSurface_DrawComplete(object sender, ESRI.ArcGIS.Client.DrawEventArgs args)
{
selectionGraphicsLayer.ClearGraphics();
QueryTask queryTask = new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
queryTask.Failed += QueryTask_Failed;
Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Geometry = args.Geometry,
OutSpatialReference = MyMap.SpatialReference,
ReturnGeometry = true
};
// Specify fields to return from query
query.OutFields.AddRange(new string[] { "STATE_NAME", "POP2000", "POP2007" });
queryTask.ExecuteAsync(query);
}
private void MyMap_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e)
{
GraphicsLayer glayer = MyMap.Layers["MySelectionGraphicsLayer"] as GraphicsLayer;
glayer.Graphics.Clear();
MyInfoWindow.IsOpen = false;
double mapScale = MyMap.Scale;
ArcGISTiledMapServiceLayer alayer = null;
DataTemplate dt = null;
int layid = 0;
foreach (Layer layer in MyMap.Layers)
{
if (layer.GetValue(Document.PopupTemplatesProperty) != null)
{
alayer = layer as ArcGISTiledMapServiceLayer;
IDictionary<int, DataTemplate> idict = layer.GetValue(Document.PopupTemplatesProperty) as IDictionary<int, DataTemplate>;
foreach (LayerInfo linfo in alayer.Layers)
{
if (((mapScale > linfo.MaxScale // in scale range
&& mapScale < linfo.MinScale) ||
(linfo.MaxScale == 0.0 // no scale dependency
&& linfo.MinScale == 0.0) ||
(mapScale > linfo.MaxScale // minscale = 0.0 = infinity
&& linfo.MinScale == 0.0)) &&
idict.ContainsKey(linfo.ID)) // id present in dictionary
{
layid = linfo.ID;
dt = idict[linfo.ID];
break;
}
}
}
}
if (dt != null)
{
QueryTask qt = new QueryTask(string.Format("{0}/{1}", alayer.Url, layid));
qt.ExecuteCompleted += (s, qe) =>
{
if (qe.FeatureSet.Features.Count > 0)
{
Graphic g = qe.FeatureSet.Features[0];
MyInfoWindow.Anchor = e.MapPoint;
MyInfoWindow.ContentTemplate = dt;
MyInfoWindow.Content = g.Attributes;
MyInfoWindow.IsOpen = true;
SolidColorBrush symbolColor = new SolidColorBrush(Colors.Cyan);
if (g.Geometry is Polygon || g.Geometry is Envelope)
{
g.Symbol = new SimpleFillSymbol()
{
BorderBrush = symbolColor,
BorderThickness = 2
};
}
else if (g.Geometry is Polyline)
{
g.Symbol = new SimpleLineSymbol()
{
Color = symbolColor
};
}
else // Point
{
g.Symbol = new SimpleMarkerSymbol()
{
Color = symbolColor,
Size = 12
};
}
glayer.Graphics.Add(g);
}
};
ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query()
{
Geometry = e.MapPoint,
OutSpatialReference = MyMap.SpatialReference,
ReturnGeometry = true
};
query.OutFields.Add("*");
qt.ExecuteAsync(query);
}
}
void GeometryService_IdentifyPointBufferCompleted(object sender, GraphicsEventArgs args)
{
QueryItem queryItem = args.UserState as QueryItem;
queryItem.BufferedPoint = args.Results[0].Geometry;
// We now have a result for out buffered start point.
// Issue a query to each identify layer.
Query query = new ESRI.ArcGIS.Client.Tasks.Query();
query.SpatialRelationship = SpatialRelationship.esriSpatialRelIntersects;
query.Geometry = queryItem.BufferedPoint;
query.OutFields.AddRange(new string[] { "*" });
QueryTask queryTask = new QueryTask(queryItem.IdentifyLayerUrl);
queryTask.ExecuteCompleted += QueryIdentifyTask_ExecuteCompleted;
queryTask.Failed += QueryIdentifyTask_Failed;
queryTask.ExecuteAsync(query, queryItem);
}
