ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.Geometry Namespace / MapPointBuilderEx Class / SetEmpty Method

SetEmpty Method (MapPointBuilderEx)
Sets X and Y to NaN. Sets other attributes to the default values. Does not change the attribute awareness.
Syntax
public override void SetEmpty()
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.5 or higher.
See Also