ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Core Namespace / Project Class / SetDirty Method
(optional) The project's new dirty state. true indicates changes have not been saved; false indicates no changes have been made. (default value = true)
Version

SetDirty Method
Sets the dirty state of the project
Syntax
public void SetDirty( 
   bool dirty
)

Parameters

dirty
(optional) The project's new dirty state. true indicates changes have not been saved; false indicates no changes have been made. (default value = true)
Remarks

If the project's dirty state is set to true, you will be prompted to save changes when another project is opened or when you exit the ArcGIS Pro application.

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also