PackageRegistrationEventArgs

Definition

• Type: Class
• Namespace: UnityEditor.PackageManager
• Assembly: UnityEditor.CoreModule

public class PackageRegistrationEventArgs

Remarks

• Use this class with Events.registeringPackages and Events.registeredPackages events.
• The

  changedFrom

  and

  changedTo

  collections must be iterated together to maintain package correspondence. They are guaranteed to match in length and ordering.
• All collections are read-only and can't be modified.
• Package information in these collections represents the state at the time of the event.
• The

  PackageRegistrationEventArgs

  might contain empty collections if no packages were added, removed, or changed.
• You can use this class to monitor package changes.

using System;using UnityEditor.PackageManager;using UnityEngine;[ExecuteInEditMode]public class PackageRegistrationExample: MonoBehaviour{    void Start()    {        SubscribeToPackageEvents();    }    void OnDestroy()    {        Cleanup();    }    void SubscribeToPackageEvents()    {        // Subscribe to the event before packages change        Debug.Log("Subscribing to registeringPackages");        Events.registeringPackages += OnPackagesRegistering;    }    void OnPackagesRegistering(PackageRegistrationEventArgs args)    {        // Log added packages        foreach (var package in args.added)        {            Debug.Log($"Adding package: {package.displayName} ({package.version})");        }        // Log removed packages        foreach (var package in args.removed)        {            Debug.Log($"Removing package: {package.displayName} ({package.version})");        }        // Log package updates        using var changes = args.changedFrom.GetEnumerator();        using var targets = args.changedTo.GetEnumerator();        while (changes.MoveNext() && targets.MoveNext())        {            var oldPackage = changes.Current;            var newPackage = targets.Current;            Debug.Log($"Updating {oldPackage?.displayName} from {oldPackage?.version} to {newPackage?.version}");        }    }    void Cleanup()    {        // Unsubscribe from the event when finished        Debug.Log("Unsubscribing to registeringPackages");        Events.registeringPackages -= OnPackagesRegistering;    }}

• Events
• Events.registeringPackages
• Events.registeredPackages
• PackageInfo
• Client

Properties