/// <summary>
/// Renders a feature layer using unique values from one or multiple fields
/// </summary>
/// <remarks>
/// 
/// </remarks>
/// <returns>
/// 
/// </returns>
internal static Task UniqueValueRendererAsync()
{
//Check feature layer name
//Code works with the USDemographics feature layer available with the ArcGIS Pro SDK Sample data
var featureLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType <FeatureLayer>().FirstOrDefault(f => f.Name == "USDemographics");
if (featureLayer == null)
{
MessageBox.Show("This renderer works with the USDemographics feature layer available with the ArcGIS Pro SDK Sample data", "Data missing");
return(Task.FromResult(0));
}
return(QueuedTask.Run(() =>
{
//construct unique value renderer definition
UniqueValueRendererDefinition uvr = new
UniqueValueRendererDefinition()
{
ValueFields = new List <string> {
SDKHelpers.GetDisplayField(featureLayer)
}, //multiple fields in the array if needed.
ColorRamp = SDKHelpers.GetColorRamp(), //Specify color ramp
};
//Creates a "Renderer"
var cimRenderer = featureLayer.CreateRenderer(uvr);
//Sets the renderer to the feature layer
featureLayer.SetRenderer(cimRenderer);
}));
}
/// <summary>
/// Renders a feature layer using unique values from one or multiple fields
/// </summary>
/// <remarks>
/// 
/// </remarks>
/// <param name="featureLayer"></param>
/// <returns>
/// 
/// </returns>
internal static Task UniqueValueRendererAsync(FeatureLayer featureLayer)
{
return(QueuedTask.Run(() =>
{
//construct unique value renderer definition
UniqueValueRendererDefinition uvr = new
UniqueValueRendererDefinition()
{
ValueFields = new string[] { SDKHelpers.GetDisplayField(featureLayer) }, //multiple fields in the array if needed.
ColorRamp = SDKHelpers.GetColorRamp(), //Specify color ramp
};
//Creates a "Renderer"
var cimRenderer = featureLayer.CreateRenderer(uvr);
//Sets the renderer to the feature layer
featureLayer.SetRenderer(cimRenderer);
}));
}