FeatureLayer.GetQuery (.NET)—ArcGIS for AutoCAD

The FeatureLayer.GetQuery method returns an AutoCAD SelectionFilter with the query filter properties for the specified web or document feature layer.

Declaration

public SelectionFilter Esri.ArcGISForAutoCAD.FeatureLayer.GetQuery(Document doc, string flName, string sublayerName = null)

Parameters


Type	Name	Description	Required
Document	doc	The AutoCAD document to act on.	required
string	flName	An existing feature layer name in the drawing.	required
string	sublayerName	An existing feature layer sublayer name in the drawing.	optional

Returns


Type	Description
SelectionFilter	An AutoCAD selection filter representing the query used to define the feature layer, containing DXF codes and values that combine to create a filtering query for the feature layer.

Remarks on error conditions

This method can throw an exception or may return null if a parameter is invalid.

Example 1

Print the filter query properties for the Buildings feature layer, which include the DXF codes for layer 8 and color 62.

// Initialize
var doc = Application.DocumentManager.MdiActiveDocument;

// Get the query 
var query = Esri.ArcGISForAutoCAD.FeatureLayer.GetQuery(doc, "Buildings");

// Print the query
foreach (var typedValue in query.GetFilter())
  doc.Editor.WriteMessage("\n" + typedValue.ToString());

/* Example output
(8,Buildings,Homes)
(62,9)
*/

Example 2

Print the filter query properties for the Open sublayer of the Shelters feature layer, which includes the DXF code for layer 8.

// Initialize
var doc = Application.DocumentManager.MdiActiveDocument;

// Get the query 
var query = Esri.ArcGISForAutoCAD.FeatureLayer.GetQuery(doc, "Shelters", "Open");

// Print the query
doc.Editor.WriteMessage(query.GetFilter().First().ToString());

/* Example output
(8,ESRI_Shelters_Open)
*/