FSO.Client.UI.Controls.UIButton.OnMouseEvent C# (CSharp) Method

        private void OnMouseEvent(UIMouseEventType type, UpdateState state)
        {
            if (m_Disabled) { return; }

            switch (type)
            {
                case UIMouseEventType.MouseOver:
                    m_isOver = true;
                    if (!m_isDown)
                    {
                        m_CurrentFrame = 2;
                        if (OnButtonHover != null)
                        {
                            OnButtonHover(this);
                        }
                    }
                    break;

                case UIMouseEventType.MouseOut:
                    m_isOver = false;
                    if (!m_isDown)
                    {
                        m_CurrentFrame = 0;
                    }
                    break;

                case UIMouseEventType.MouseDown:
                    m_isDown = true;
                    m_CurrentFrame = 1;
                    break;

                case UIMouseEventType.MouseUp:
                    if (m_isDown)
                    {
                        if (OnButtonClick != null)
                        {
                            OnButtonClick(this);
                            HITVM.Get().PlaySoundEvent(UISounds.Click);
                        }
                    }
                    m_isDown = false;
                    m_CurrentFrame = m_isOver ? 2 : 0;
                    break;
            }

            CalculateState();
        }