ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Framework.Contracts Namespace / Module Class / Uninitialize Method
Example Version

Uninitialize Method (Module)
When overridden in a derived class, gives the custom Module a chance to uninitialize itself.
Syntax
protected internal virtual void Uninitialize()
Example
How to determine when a project is opened
protected override bool Initialize() //Called when the Module is initialized.
{
  ProjectOpenedEvent.Subscribe(OnProjectOpened); //subscribe to Project opened event
  return base.Initialize();
}

private void OnProjectOpened(ProjectEventArgs obj) //Project Opened event handler
{
  MessageBox.Show($"{Project.Current} has opened"); //show your message box
}

protected override void Uninitialize() //unsubscribe to the project opened event
{
  ProjectOpenedEvent.Unsubscribe(OnProjectOpened); //unsubscribe
  return;
}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also