ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping.Events Namespace / BeforeSketchCompletedEventArgs Class / SetSketchGeometry Method
The new sketch geometry.
Example Version

SetSketchGeometry Method
Sets the current geometry of the sketch without finishing it.
Syntax
public void SetSketchGeometry( 
   Geometry newSketch
)

Parameters

newSketch
The new sketch geometry.
Remarks
if the sketch geometry type of newSketch is different than the sketch geometry type of Sketch the newSketch will be ignored and the Sketch geometry will be used by the tool.
Example
Listen to the before sketch completed event and modify the sketch
// BeforeSketchCompleted event is fired by 
//  - COTS construction tools (except annotation, dimension geometry types), 
//  - Edit Vertices, Reshape, Align Features
//  - 3rd party tools with FireSketchEvents = true


//Subscribe to the before sketch completed event
//ArcGIS.Desktop.Mapping.Events.BeforeSketchCompletedEvent.Subscribe(OnBeforeSketchCompleted);

private Task OnBeforeSketchCompleted(BeforeSketchCompletedEventArgs args)
{
  //assign sketch Z values from default surface and set the sketch geometry
  var modifiedSketch = args.MapView.Map.GetZsFromSurfaceAsync(args.Sketch).Result;
  args.SetSketchGeometry(modifiedSketch.Geometry);
  return Task.CompletedTask;
}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also