UnityEditor.Editor.DrawHeaderFromInsideHierarchy C# (CSharp) Method

        private void DrawHeaderFromInsideHierarchy()
        {
            GUIStyle style = GUILayoutUtility.topLevel.style;
            EditorGUILayout.EndVertical();
            this.OnHeaderGUI();
            EditorGUILayout.BeginVertical(style, new GUILayoutOption[0]);
        }