ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / MapView Class / GetSelectedSlices Method
Example Version

GetSelectedSlices Method
Returns the collection of voxel slices selected in the TOC.
Syntax
public IReadOnlyList<SliceDefinition> GetSelectedSlices()

Return Value

The collection of voxel slices selected in the TOC.
Example
Get/Set Selected Voxel Assets from the TOC
var surfaces = MapView.Active.GetSelectedIsosurfaces();
//set selected w/ MapView.Active.SelectVoxelIsosurface(isoSurface)
var slices = MapView.Active.GetSelectedSlices();
//set selected w/ MapView.Active.SelectVoxelSlice(slice)
var sections = MapView.Active.GetSelectedSections();
//set selected w/ MapView.Active.SelectVoxelSection(section)
var locked_sections = MapView.Active.GetSelectedLockedSections();
//set selected w/ MapView.Active.SelectVoxelLockedSection(locked_section)
Get Selected Slice in TOC
//Must be on the QueuedTask.Run()

var slice = MapView.Active?.GetSelectedSlices()?.FirstOrDefault();
      if (slice != null)
      {

      }
Get Voxel Layer for the Selected Slice in TOC
//Must be on the QueuedTask.Run()

VoxelLayer voxelLayer = null;
var slice = MapView.Active?.GetSelectedSlices()?.FirstOrDefault();
if (slice != null)
{
    voxelLayer = slice.Layer;
    //TODO - use the layer
}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also