private async void MyMap_Tapped_1(object sender, Windows.UI.Xaml.Input.TappedRoutedEventArgs e)
{
var mp = MyMap.ScreenToMap(e.GetPosition(MyMap));
Graphic g = new Graphic() { Geometry = mp };
var graphicsLayer = MyMap.Layers["MyGraphicsLayer"] as GraphicsLayer;
graphicsLayer.Graphics.Add(g);
var bufferResult = GeometryEngine.Buffer(mp, 100);
var bufferLayer = MyMap.Layers["BufferLayer"] as GraphicsLayer;
bufferLayer.Graphics.Add(new Graphic() { Geometry = bufferResult });
var queryTask = new QueryTask(new Uri("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/BloomfieldHillsMichigan/Parcels/MapServer/2"));
var query = new ESRI.ArcGIS.Runtime.Tasks.Query()
{
ReturnGeometry = true,
OutSpatialReference = MyMap.SpatialReference,
Geometry = bufferResult
};
query.OutFields.Add("OWNERNME1");
try
{
var queryResult = await queryTask.ExecuteAsync(query);
if (queryResult != null && queryResult.FeatureSet != null)
{
var resultLayer = MyMap.Layers["MyResultsGraphicsLayer"] as GraphicsLayer;
resultLayer.Graphics.AddRange(queryResult.FeatureSet.Features);
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
private async Task RunQuery()
{
QueryTask queryTask =
new QueryTask(new Uri("http://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/2"));
ESRI.ArcGIS.Runtime.Tasks.Query query = new ESRI.ArcGIS.Runtime.Tasks.Query()
{
GroupByFieldsForStatistics = new List<string> { "sub_region" },
OutStatistics = new List<OutStatistic> {
new OutStatistic(){
OnStatisticField = "pop2000",
OutStatisticFieldName = "subregionpopulation",
StatisticType = StatisticType.Sum
},
new OutStatistic(){
OnStatisticField = "sub_region",
OutStatisticFieldName = "numberofstates",
StatisticType = StatisticType.Count
}
}
};
try
{
var result = await queryTask.ExecuteAsync(query);
if (result.FeatureSet.Features != null && result.FeatureSet.Features.Count > 0)
{
ResultGrid.ItemsSource = result.FeatureSet.Features;
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
private async Task RunQuery(IGeometry geometry)
{
var l = MyMap.Layers["GraphicsWellsLayer"] as GraphicsLayer;
l.Graphics.Clear();
QueryTask queryTask =
new QueryTask(new Uri("http://sampleserver3.arcgisonline.com/ArcGIS/rest/services/Petroleum/KSPetro/MapServer/0"));
ESRI.ArcGIS.Runtime.Tasks.Query query = new ESRI.ArcGIS.Runtime.Tasks.Query()
{
Geometry = geometry,
ReturnGeometry = true,
OutSpatialReference = MyMap.SpatialReference,
OutFields = OutFields.All
};
try
{
var result = await queryTask.ExecuteAsync(query);
if (result.FeatureSet.Features != null && result.FeatureSet.Features.Count > 0)
{
ResultsGrid.ItemsSource = result.FeatureSet.Features;
l.Graphics.AddRange(from g in result.FeatureSet.Features select g);
}
}
catch (Exception ex)
{
return;
}
}
private async Task GetAttributes()
{
QueryTask queryTask = new QueryTask(new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"));
ESRI.ArcGIS.Runtime.Tasks.Query query = new ESRI.ArcGIS.Runtime.Tasks.Query()
{
OutFields = OutFields.All,
ReturnGeometry = true,
Text = (string)(QueryComboBox.SelectedItem as Graphic).Attributes["STATE_NAME"],
OutSpatialReference = MyMap.SpatialReference
};
try
{
ResultsGrid.ItemsSource = null;
progress.IsActive = true;
var result = await queryTask.ExecuteAsync(query);
var featureSet = result.FeatureSet;
// If an item has been selected
GraphicsLayer graphicsLayer = MyMap.Layers["MyGraphicsLayer"] as GraphicsLayer;
graphicsLayer.Graphics.Clear();
if (featureSet != null && featureSet.Features.Count > 0)
{
var symbol = LayoutRoot.Resources["DefaultFillSymbol"] as ESRI.ArcGIS.Runtime.Symbology.ISymbol;
var g = featureSet.Features[0];
graphicsLayer.Graphics.Add(g);
var selectedFeatureExtent = g.Geometry.Extent;
ESRI.ArcGIS.Runtime.Envelope displayExtent = selectedFeatureExtent.Expand(1.3);
MyMap.ZoomTo(displayExtent);
ResultsGrid.ItemsSource = g.Attributes;
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
finally
{
progress.IsActive = false;
}
}
private async Task InitializeComboBox()
{
QueryTask queryTask = new QueryTask(new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"));
ESRI.ArcGIS.Runtime.Tasks.Query query = new ESRI.ArcGIS.Runtime.Tasks.Query()
{
ReturnGeometry = false,
Where = "1=1"
};
query.OutFields.Add("STATE_NAME");
try
{
var result = await queryTask.ExecuteAsync(query);
QueryComboBox.ItemsSource = result.FeatureSet.Features;
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
private async Task RunQuery()
{
QueryTask queryTask =
new QueryTask(new Uri("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5"));
ESRI.ArcGIS.Runtime.Tasks.Query query = new ESRI.ArcGIS.Runtime.Tasks.Query();
query.Text = StateNameTextBox.Text;
query.OutFields.Add("*");
try
{
var result = await queryTask.ExecuteAsync(query);
ResultGrid.ItemsSource = result.FeatureSet.Features;
}
catch (TaskCanceledException taskCanceledEx)
{
System.Diagnostics.Debug.WriteLine(taskCanceledEx.Message);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
private async void Button_Click_2(object sender, RoutedEventArgs e)
{
Uri myUri = new Uri("http://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/3");
ESRI.ArcGIS.Runtime.Tasks.QueryTask myQueryTask = new ESRI.ArcGIS.Runtime.Tasks.QueryTask(myUri);
List<string> myListOfString = new List<string>();
myListOfString.Add("state_name");
ESRI.ArcGIS.Runtime.Tasks.Query myQuery = new ESRI.ArcGIS.Runtime.Tasks.Query();
myQuery.GroupByFieldsForStatistics = myListOfString;
List<ESRI.ArcGIS.Runtime.Tasks.OutStatistic> myListOfOutStatistic =
new List<ESRI.ArcGIS.Runtime.Tasks.OutStatistic>();
ESRI.ArcGIS.Runtime.Tasks.OutStatistic myOutStatistic1 = new ESRI.ArcGIS.Runtime.Tasks.OutStatistic();
myOutStatistic1.OnStatisticField = "pop2000";
myOutStatistic1.OutStatisticFieldName = "StatePopulation";
myListOfOutStatistic.Add(myOutStatistic1);
ESRI.ArcGIS.Runtime.Tasks.OutStatistic myOutStatistic2 = null;
myOutStatistic2 = new ESRI.ArcGIS.Runtime.Tasks.OutStatistic("state_name", "NumberOfCounties",
ESRI.ArcGIS.Runtime.Tasks.StatisticType.Count);
myListOfOutStatistic.Add(myOutStatistic2);
ESRI.ArcGIS.Runtime.Tasks.OrderByField myOrderByField = new ESRI.ArcGIS.Runtime.Tasks.OrderByField();
myOrderByField.Field = "state_name";
myOrderByField.SortOrder = ESRI.ArcGIS.Runtime.Tasks.SortOrder.Descending;
List<ESRI.ArcGIS.Runtime.Tasks.OrderByField> myOrderByFieldsList =
new List<ESRI.ArcGIS.Runtime.Tasks.OrderByField>();
myOrderByFieldsList.Add(myOrderByField);
myQuery.OrderByFields = myOrderByFieldsList;
myQuery.OutStatistics = myListOfOutStatistic;
try
{
ESRI.ArcGIS.Runtime.Tasks.QueryResult myQueryResult = await myQueryTask.ExecuteAsync(myQuery);
if (myQueryResult.FeatureSet.Features != null && myQueryResult.FeatureSet.Features.Count > 0)
{
ESRI.ArcGIS.Runtime.FeatureSet theFeatureSet = myQueryResult.FeatureSet;
System.Collections.Generic.IList<ESRI.ArcGIS.Runtime.Graphic> theIReadOnlyListOfgraphic =
theFeatureSet.Features;
System.Text.StringBuilder theStringBuilder = new System.Text.StringBuilder();
foreach (ESRI.ArcGIS.Runtime.Graphic oneGraphic in theIReadOnlyListOfgraphic)
{
System.Collections.Generic.IDictionary<string, object> theIDictionaryOfString_Object =
oneGraphic.Attributes;
System.Collections.Generic.ICollection<string> theKeys = theIDictionaryOfString_Object.Keys;
foreach (string oneKey in theKeys)
{
if (theIDictionaryOfString_Object[oneKey] != null)
{
object theValue = theIDictionaryOfString_Object[oneKey];
string theValueAsString = theValue.ToString();
}
}
}
}
}
catch (Exception ex)
{
return;
}
}
