ArcGIS Pro 2.6 API Reference Guide
ThumbnailPath Property (Item)

ArcGIS.Desktop.Core Namespace > Item Class : ThumbnailPath Property
Gets and sets a path to a thumbnail that describes and helps to identify the item. Derived from the Thumbnail that is extracted from the item's metadata.
Syntax
public string ThumbnailPath {get;}
Public ReadOnly Property ThumbnailPath As String
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

Item Class
Item Members