CListCtrl 更迭行绘制不同背景色

CListCtrl 交替行绘制不同背景色

此响应WM_ERASEBKGND消息

BOOL MyList::OnEraseBkgnd(CDC* pDC)
{
// TODO: 在此添加消息处理程序代码和/或调用默认值

  CRect rect;
  GetClientRect(rect);

  POINT mypoint;

  CBrush brush0(m_colRow1);
  CBrush brush1(m_colRow2);

int chunk_height=GetCountPerPage();
pDC->FillRect(&rect,&brush1);

for (int i=0;i<=chunk_height;i++)
{

GetItemPosition(i,&mypoint);
rect.top=mypoint.y ;
GetItemPosition(i+1,&mypoint);
rect.bottom =mypoint.y;
pDC->FillRect(&rect,i %2 ? &brush1 : &brush0);

}

brush0.DeleteObject();
brush1.DeleteObject();

return FALSE;
}

此响应消息NM_CUSTOMDRAW

void MyList::OnNMCustomdraw(NMHDR *pNMHDR, LRESULT *pResult)
{

*pResult = 0;
  LPNMLVCUSTOMDRAW  lplvcd = (LPNMLVCUSTOMDRAW)pNMHDR;
  int iRow = lplvcd->nmcd.dwItemSpec;

  switch(lplvcd->nmcd.dwDrawStage)
  {
    case CDDS_PREPAINT :
    {
      *pResult = CDRF_NOTIFYITEMDRAW;
      return;
    }

    // Modify item text and or background
    case CDDS_ITEMPREPAINT:
    {
      lplvcd->clrText = RGB(0,0,0);
      // If you want the sub items the same as the item,
      // set *pResult to CDRF_NEWFONT
      *pResult = CDRF_NOTIFYSUBITEMDRAW;
      return;
    }

    // Modify sub item text and/or background
    case CDDS_SUBITEM | CDDS_PREPAINT | CDDS_ITEM:
    {

        if(iRow %2){
         lplvcd->clrTextBk = m_colRow2;
        }
        else{
          lplvcd->clrTextBk = m_colRow1;
        }

        *pResult = CDRF_DODEFAULT;
        return;
    }
  }
}

CListCtrl 更迭行绘制不同背景色

相关推荐