找个C++高手帮我写段代码注释，绝对高分

WX_IMPLEMENT_DYNAMIC(CCursorMng, GETCLASS(tCursorSystem));
CCursorMng* CCursorMng::s_pMe = NULL;
CCursorMng::CCursorMng(VOID)
{
 s_pMe = this;

 m_bShow = TRUE;
 m_nCursorState = CURSOR_NORMAL;
 m_hUICursor = NULL;
 m_cmdCurrent_Left.Cleanup();
 m_cmdCurrent_Right.Cleanup();

 m_cmdCurrent_Left.m_typeMouse = SCommand_Mouse::MCT_NULL;
 m_cmdCurrent_Right.m_typeMouse = SCommand_Mouse::MCT_NULL;
}

CCursorMng::~CCursorMng(VOID)
{
}

VOID CCursorMng::SetCursor(ENUM_CURSOR_TYPE nType )
{
 m_nCursorState  = nType;
 ::PostMessage( g_hMainWnd, WM_SETCURSOR, 0, HTCLIENT );
}

INT CCursorMng::GetCursor_State(VOID)
{
// if(!m_bShow) return CURSOR_NORMAL;

 return m_nCursorState;
}

HCURSOR CCursorMng::GetCursor(VOID)
{
 if(!m_bShow) return NULL;

 return m_hCursor[m_nCursorState];
}

每句话都要注释清楚,谢谢！！