UnityEngine.GUILayoutUtility.DoGetRect C# (CSharp) Method

        private static Rect DoGetRect(GUIContent content, GUIStyle style, GUILayoutOption[] options)
        {
            GUIUtility.CheckOnGUI();
            switch (Event.current.type)
            {
                case EventType.Layout:
                    if (style.isHeightDependantOnWidth)
                    {
                        current.topLevel.Add(new GUIWordWrapSizer(style, content, options));
                    }
                    else
                    {
                        Vector2 constraints = new Vector2(0f, 0f);
                        if (options != null)
                        {
                            foreach (GUILayoutOption option in options)
                            {
                                switch (option.type)
                                {
                                    case GUILayoutOption.Type.maxHeight:
                                        constraints.y = (float) option.value;
                                        break;

                                    case GUILayoutOption.Type.maxWidth:
                                        constraints.x = (float) option.value;
                                        break;
                                }
                            }
                        }
                        Vector2 vector2 = style.CalcSizeWithConstraints(content, constraints);
                        current.topLevel.Add(new GUILayoutEntry(vector2.x, vector2.x, vector2.y, vector2.y, style, options));
                    }
                    return kDummyRect;

                case EventType.Used:
                    return kDummyRect;
            }
            GUILayoutEntry next = current.topLevel.GetNext();
            GUIDebugger.LogLayoutEntry(next.rect, next.margin, next.style);
            return next.rect;
        }

 public static Rect GetRect(float minWidth, float maxWidth, float minHeight, float maxHeight, GUIStyle style, params GUILayoutOption[] options)
 {
     return(GUILayoutUtility.DoGetRect(minWidth, maxWidth, minHeight, maxHeight, style, options));
 }