CtrlList每行不同颜色

最新推荐文章于 2024-11-18 11:03:06 发布

转载最新推荐文章于 2024-11-18 11:03:06 发布 · 131 阅读

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原文链接：http://www.cnblogs.com/duzouzhe/archive/2010/01/05/1639880.html

本文介绍如何使用 C++ 在 ListCtrl 控件中实现不同行显示不同颜色的效果，通过重写 OnCustomdrawListCtrl 函数并设置不同的背景和文字颜色。

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代码

//消息映射中添加
ON_NOTIFY(NM_CUSTOMDRAW,IDC_LIST_DATA,OnCustomdrawListCtrl)
//头文件添加
afx_msg void OnCustomdrawListCtrl(NMHDR *pNMHDR, LRESULT *pResult);

/************************************************************************/
/* CtrlList每行不同颜色
/************************************************************************/
void CDbMiddleSrvDlg::OnCustomdrawListCtrl(NMHDR *pNMHDR, LRESULT *pResult)
{
    NMLVCUSTOMDRAW* pLVCD = reinterpret_cast<NMLVCUSTOMDRAW*>( pNMHDR );
    // Take the default processing unless we set this to something else below.
    *pResult = CDRF_DODEFAULT;

    m_ctrlListCtrlData.SetExtendedStyle(m_ctrlListCtrlData.GetExtendedStyle() | LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES);
    //
    // First thing - check the draw stage. If it's the control's prepaint
    // stage, then tell Windows we want messages for every item.
    //m_ctrlListCtrlData.SetBkColor(RGB(0,0,0));

    if ( CDDS_PREPAINT == pLVCD->nmcd.dwDrawStage )
    {
        *pResult = CDRF_NOTIFYITEMDRAW;
    }
    else if ( CDDS_ITEMPREPAINT == pLVCD->nmcd.dwDrawStage )
    {
        // This is the notification message for an item. We'll request
        // notifications before each subitem's prepaint stage.

        *pResult = CDRF_NOTIFYSUBITEMDRAW;
    }
    else if ( (CDDS_ITEMPREPAINT | CDDS_SUBITEM) == pLVCD->nmcd.dwDrawStage )
    {

        COLORREF clrNewTextColor, clrNewBkColor;

        int nItem = static_cast<int>( pLVCD->nmcd.dwItemSpec );
        CString strTemp = m_ctrlListCtrlData.GetItemText(nItem,2/*pLVCD->iSubItem*/);

        if("ÔËÐÐ"==strTemp)
        {
            clrNewTextColor = RGB(0,255,0); //Set the text to red
            clrNewBkColor = RGB(0,0,0); //Set the bkgrnd color to blue
        }
        else
        {
            clrNewTextColor = RGB(255,0,0); //Leave the text black
            clrNewBkColor = RGB(0,0,0); //leave the bkgrnd color white
        }
        pLVCD->clrText = clrNewTextColor;
        pLVCD->clrTextBk = clrNewBkColor;

        //m_ctrlListCtrlData.Invalidate();

        // Tell Windows to paint the control itself.
        *pResult = CDRF_DODEFAULT;

    }
    m_ctrlListCtrlData.UpdateWindow();
}

转载于:https://www.cnblogs.com/duzouzhe/archive/2010/01/05/1639880.html