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();
}