ArcGIS Pro 2.6 API Reference Guide
InProcess Property

ArcGIS.Desktop.Mapping Namespace > TOCDragData Interface : InProcess Property
Gets whether the drag was initiated within the current Pro process
Syntax
bool InProcess {get;}
ReadOnly Property InProcess As Boolean
Remarks
If InProcess is false, DraggedContent will be empty
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

TOCDragData Interface
TOCDragData Members