UnityEditor.MemoryTreeList.HandleKeyboard C# (CSharp) Méthode

        protected void HandleKeyboard()
        {
            Event current = Event.current;
            if (((current.GetTypeForControl(this.m_ControlID) == EventType.KeyDown) && (this.m_ControlID == GUIUtility.keyboardControl)) && (this.m_MemorySelection.Selected != null))
            {
                int num;
                KeyCode keyCode = current.keyCode;
                switch (keyCode)
                {
                    case KeyCode.UpArrow:
                        this.m_MemorySelection.MoveUp();
                        break;

                    case KeyCode.DownArrow:
                        this.m_MemorySelection.MoveDown();
                        break;

                    case KeyCode.RightArrow:
                        if (this.m_MemorySelection.Selected.ChildCount() > 0)
                        {
                            this.m_MemorySelection.Selected.expanded = true;
                        }
                        break;

                    case KeyCode.LeftArrow:
                        if (!this.m_MemorySelection.Selected.expanded)
                        {
                            this.m_MemorySelection.MoveParent();
                        }
                        else
                        {
                            this.m_MemorySelection.Selected.expanded = false;
                        }
                        break;

                    case KeyCode.Home:
                        this.m_MemorySelection.MoveFirst();
                        break;

                    case KeyCode.End:
                        this.m_MemorySelection.MoveLast();
                        break;

                    case KeyCode.PageUp:
                        num = Mathf.RoundToInt(this.m_VisibleHeight / 16f);
                        for (int i = 0; i < num; i++)
                        {
                            this.m_MemorySelection.MoveUp();
                        }
                        break;

                    case KeyCode.PageDown:
                        num = Mathf.RoundToInt(this.m_VisibleHeight / 16f);
                        for (int j = 0; j < num; j++)
                        {
                            this.m_MemorySelection.MoveDown();
                        }
                        break;

                    default:
                        if (keyCode == KeyCode.Return)
                        {
                            if (this.m_MemorySelection.Selected.memoryInfo != null)
                            {
                                Selection.instanceIDs = new int[0];
                                Selection.activeInstanceID = this.m_MemorySelection.Selected.memoryInfo.instanceId;
                            }
                        }
                        else
                        {
                            return;
                        }
                        break;
                }
                this.RowClicked(current, this.m_MemorySelection.Selected);
                this.EnsureVisible();
                this.m_EditorWindow.Repaint();
            }
        }