ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.CIM Namespace / MaplexAnchorPointType Enumeration
Example Example Version

MaplexAnchorPointType Enumeration
Maplex anchor point types.
Syntax
Members
MemberDescription
ErodedCenter Eroded center.
GeometricCenter Geometric center (of the potentially clipped geometry).
Perimeter Perimeter.
UnclippedGeometricCenter Unclipped geometric center.
Example
Modify label's Leader Line Anchor point properties - Polygon geometry
//Note: call within QueuedTask.Run()

//Get the layer's definition
var lyrDefn = featureLayer.GetDefinition() as CIMFeatureLayer;
//Get the label classes - we need the first one
var listLabelClasses = lyrDefn.LabelClasses.ToList();
var theLabelClass = listLabelClasses.FirstOrDefault();
//If TextSymbol is a callout the leader line anachor point can be modified
theLabelClass.MaplexLabelPlacementProperties.PolygonAnchorPointType = MaplexAnchorPointType.Perimeter;
lyrDefn.LabelClasses = listLabelClasses.ToArray(); //Set the labelClasses back
featureLayer.SetDefinition(lyrDefn); //set the layer's definition
Inheritance Hierarchy

System.Object
   System.ValueType
      System.Enum
         ArcGIS.Core.CIM.MaplexAnchorPointType

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also