UnityEditor.ParticleEffectUI.DrawSelectionMarker C# (CSharp) Method

        private void DrawSelectionMarker(Rect rect)
        {
            rect.x++;
            rect.y++;
            rect.width -= 2f;
            rect.height -= 2f;
            ParticleSystemStyles.Get().selectionMarker.Draw(rect, GUIContent.none, false, true, true, false);
        }