UnityEditor.ContainerWindow.MoveInFrontOf C# (CSharp) Method

        public extern void MoveInFrontOf(ContainerWindow other);
        [MethodImpl(MethodImplOptions.InternalCall)]

        public void SetDropInfo(DropInfo di, Vector2 mouseScreenPos, ContainerWindow inFrontOf)
        {
            if (m_Type != di.type || (di.type == DropInfo.Type.Pane && di.rect != m_TargetRect))
            {
                m_Type = di.type;

                switch (di.type)
                {
                case DropInfo.Type.Window:
                    m_TargetAlpha = 0.6f;
                    break;

                case DropInfo.Type.Pane:
                case DropInfo.Type.Tab:
                    m_TargetAlpha = 1.0f;
                    break;
                }
            }

            switch (di.type)
            {
            case DropInfo.Type.Window:
                m_TargetRect = new Rect(mouseScreenPos.x - m_FullWindowSize.x / 2, mouseScreenPos.y - m_FullWindowSize.y / 2,
                                        m_FullWindowSize.x, m_FullWindowSize.y);
                break;

            case DropInfo.Type.Pane:
            case DropInfo.Type.Tab:
                m_TargetRect = di.rect;
                break;
            }

            m_TabVisible = di.type == DropInfo.Type.Tab;

            m_TargetRect.x      = Mathf.Round(m_TargetRect.x);
            m_TargetRect.y      = Mathf.Round(m_TargetRect.y);
            m_TargetRect.width  = Mathf.Round(m_TargetRect.width);
            m_TargetRect.height = Mathf.Round(m_TargetRect.height);

            m_InFrontOfWindow = inFrontOf;
            m_Window.MoveInFrontOf(m_InFrontOfWindow);

            // On Windows, repainting without setting proper size first results in one garbage frame... For some reason.
            SetWindowPos(m_TargetRect);
            // Yes, repaint.
            Repaint();
        }