ARCed.Controls.MultiStateCheckbox.MultiStateCheckbox_MouseDown C# (CSharp) Метод

        void MultiStateCheckbox_MouseDown(object sender, MouseEventArgs e)
        {
            if (this.IsPointInCheckBox(e.Location))
            {
                if (e.Button.HasFlag(MouseButtons.Left))
                    this._stateIndex = (this._stateIndex + 1) % this.Characters.Length;
                else if (e.Button.HasFlag(MouseButtons.Right))
                {
                    this._stateIndex--;
                    if (this._stateIndex < 0)
                        this._stateIndex = this.Characters.Length - 1;
                }
            }
            Invalidate();
        }