UnityEditor.AnimationClipEditor.LoopToggle C# (CSharp) Method

        private void LoopToggle(Rect r, GUIContent content, ref bool val)
        {
            if (!this.m_DraggingRange)
            {
                val = EditorGUI.Toggle(r, content, val);
            }
            else
            {
                EditorGUI.LabelField(r, content, GUIContent.none);
                EditorGUI.BeginDisabledGroup(true);
                EditorGUI.Toggle(r, " ", false);
                EditorGUI.EndDisabledGroup();
            }
        }