ArcGIS Pro 2.7 API Reference Guide
IsInvalid Property

ArcGIS.Desktop.Core Namespace > Item Class : IsInvalid Property
Gets if the item is invalid
Syntax
public bool IsInvalid {get;}
Public ReadOnly Property IsInvalid As Boolean
Remarks
For example, if a disk or server is currently unavailable on the network, the project can't access the item and the item is invalid.
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

Item Class
Item Members