UnityEditor.ParticleSystemInspector.OnEnable C# (CSharp) Method

        public void OnEnable()
        {
            EditorApplication.hierarchyWindowChanged = (EditorApplication.CallbackFunction) Delegate.Combine(EditorApplication.hierarchyWindowChanged, new EditorApplication.CallbackFunction(this.HierarchyOrProjectWindowWasChanged));
            EditorApplication.projectWindowChanged = (EditorApplication.CallbackFunction) Delegate.Combine(EditorApplication.projectWindowChanged, new EditorApplication.CallbackFunction(this.HierarchyOrProjectWindowWasChanged));
            SceneView.onSceneGUIDelegate = (SceneView.OnSceneFunc) Delegate.Combine(SceneView.onSceneGUIDelegate, new SceneView.OnSceneFunc(this.OnSceneViewGUI));
            Undo.undoRedoPerformed = (Undo.UndoRedoCallback) Delegate.Combine(Undo.undoRedoPerformed, new Undo.UndoRedoCallback(this.UndoRedoPerformed));
        }