public static int IntSliderFixedWidth(GUIContent label, int value, int leftValue, int rightValue)
        {
            using (new FixedWidthLabel(label)) {
                value =
                    EditorGUI.IntSlider(
                        EditorGUILayoutInternal.GetControlRect(
                            false,
                            16f,
                            EditorStyles.toggle,
                            null
                            ),
                        "",
                        value,
                        leftValue,
                        rightValue
                        );

                return(value);
            }
        }
        public static bool ToggleFixedWidth(GUIContent label, bool value)
        {
            using (new FixedWidthLabel(label)) {
                Rect controlRect =
                    EditorGUILayoutInternal.GetControlRect(
                        false,
                        16f,
                        EditorStyles.toggle,
                        null
                        );

                value =
                    GUI.Toggle(
                        controlRect,
                        value,
                        ""
                        );

                return(value);
            }
        }