CLine:CLine 2.2 CLine: CLine(CPoint pt1, CPoint pt2) m ptstart. x=pt1.X pt Start. y =pt1y; m ptEnd x=pt2.X n_ptEnd y pt2y CLine: -CLine void CLine: Draw(CDC*pDC) pDC->Move To(m pt Start) pDC->Line To(m_ ptEnd)CLine::CLine() 2.2 {} CLine::CLine(CPoint pt 1 , CPoint pt 2 ) { m_ptStart . x = pt 1 . x ; m_ptStart.y = pt 1.y ; m_ptEnd.x = pt 2.x ; m_ptEnd.y = pt 2.y ; } CLine::~CLine() {} void CLine::Draw(CDC *pDC) { pDC ->MoveTo(m_ptStart) ; pDC ->LineTo(m_ptEnd) ; }