System.Windows.Forms.CommandBar.SetState C# (CSharp) Method

        private void SetState(State state, int index)
        {
            if (this.state != state)
            {
                if (state == State.None)
                {
                    index = -1;
                }

                this.SetHotItem(index);

                if (state == State.HotTracking)
                {
                    this.trackEscapePressed = false;
                    this.trackHotItem = index;
                }
            }

            this.lastState = this.state;
            this.state = state;
        }