UnityEditor.ParticleSystemWindow.OnEnable C# (CSharp) Method

        private void OnEnable()
        {
            s_Instance = this;
            this.m_Target = null;
            ParticleEffectUI.m_VerticalLayout = EditorPrefs.GetBool("ShurikenVerticalLayout", false);
            EditorApplication.hierarchyWindowChanged = (EditorApplication.CallbackFunction) Delegate.Combine(EditorApplication.hierarchyWindowChanged, new EditorApplication.CallbackFunction(this.OnHierarchyOrProjectWindowWasChanged));
            EditorApplication.projectWindowChanged = (EditorApplication.CallbackFunction) Delegate.Combine(EditorApplication.projectWindowChanged, new EditorApplication.CallbackFunction(this.OnHierarchyOrProjectWindowWasChanged));
            SceneView.onSceneGUIDelegate = (SceneView.OnSceneFunc) Delegate.Combine(SceneView.onSceneGUIDelegate, new SceneView.OnSceneFunc(this.OnSceneViewGUI));
            EditorApplication.playmodeStateChanged = (EditorApplication.CallbackFunction) Delegate.Combine(EditorApplication.playmodeStateChanged, new EditorApplication.CallbackFunction(this.OnPlayModeStateChanged));
            Undo.undoRedoPerformed = (Undo.UndoRedoCallback) Delegate.Combine(Undo.undoRedoPerformed, new Undo.UndoRedoCallback(this.UndoRedoPerformed));
            base.autoRepaintOnSceneChange = false;
        }