VC ListControl/TreeControl失去焦点后，所选择行仍然高亮显示

布满荆棘的人生 2022-07-13 15:13 427阅读 0赞

# [CTreeCtrl和CListCtrl失去焦点时高亮选中项][CTreeCtrl_CListCtrl] #

![24221313-9e9e4065b32f47838d70da6fb55fec11.x-png][]  
设置CTreeCtrl的Always Show Selection:True  
CListCtrl的Always Show Selection:False  
在NM\_CUSTOMDRAW事件中添加如下代码：

void CHighLightDlg::OnNMCustomdrawTree1(NMHDR \*pNMHDR, LRESULT \*pResult)  
\{   
    LPNMCUSTOMDRAW pNMCD = reinterpret\_cast<LPNMCUSTOMDRAW>(pNMHDR);  
    // TODO: 在此添加控件通知处理程序代码  
    \*pResult = 0;  
    LPNMTVCUSTOMDRAW pDraw=(LPNMTVCUSTOMDRAW)pNMHDR;  
    DWORD dwDrawStage=pDraw->nmcd.dwDrawStage;  
    UINT uItemState =pDraw->nmcd.uItemState;  
    \*pResult=CDRF\_NOTIFYITEMDRAW;  
    //|CDRF\_NOTIFYPOSTPAINT|CDRF\_NOTIFYSUBITEMDRAW|CDRF\_NOTIFYPOSTERASE;  
    CDC\* pdc=CDC::FromHandle(pDraw->nmcd.hdc);  
    CRect rc;  
    HTREEITEM hItem=(HTREEITEM) pDraw->nmcd.dwItemSpec;  
    m\_tree.GetItemRect(hItem,&rc,TRUE);//FALSE);text only  
    CString txt=m\_tree.GetItemText(hItem);  
    if((dwDrawStage & CDDS\_ITEM) && (uItemState & CDIS\_SELECTED))  
    \{   
        pdc->FillSolidRect(&rc,RGB(49,106,197));//clr);  
        pdc->SetTextColor(RGB(255,255,255));//white  
        pdc->SetBkColor(RGB(49,106,197));//clr);  
        CFont\* pfnt=pdc->GetCurrentFont();  
        pdc->TextOut(rc.left+2,rc.top+2,txt);  
        pdc->SelectObject(pfnt);  
        \*pResult |= CDRF\_SKIPDEFAULT;  
        // afxDump << "1\\n";  
    \}  
    else // without these ,1st blue !  
    \{   
        pdc->FillSolidRect(&rc, GetSysColor(COLOR\_WINDOW));  
        pdc->SetTextColor(GetSysColor(COLOR\_WINDOWTEXT));  
        pdc->TextOut(rc.left+2, rc.top+2, txt);  
        // afxDump << "2\\n";  
    \}  
\}  
  
  
void CMFCApplicationDlg::OnNMCustomdrawlist(NMHDR \*pNMHDR, LRESULT \*pResult)  
\{  
LPNMCUSTOMDRAW pNMCD = reinterpret\_cast<LPNMCUSTOMDRAW>(pNMHDR);  
// TODO:  在此添加控件通知处理程序代码  
\*pResult = 0;  
  
//This code based on Michael Dunn's excellent article on list control custom draw at http://www.codeproject.com/listctrl/lvcustomdraw.asp  
NMLVCUSTOMDRAW\* pLVCD = reinterpret\_cast<NMLVCUSTOMDRAW\*>(pNMHDR);  
// Take the default processing unless we set this to something else below.  
\*pResult = CDRF\_DODEFAULT;  
// First thing - check the draw stage. If it's the control's prepaint stage, then tell Windows we want messages for every item.  
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);  
BOOL bSelect = FALSE;  
POSITION pos = ((CListCtrl\*)(GetDlgItem(IDC\_DeviceInfoDeviceList)))->GetFirstSelectedItemPosition();  
while (pos)  
\{  
int index = ((CListCtrl\*)(GetDlgItem(IDC\_DeviceInfoDeviceList)))->GetNextSelectedItem(pos);  
if (index == nItem)  
\{  
bSelect = TRUE;  
break;  
\}  
\}  
if (bSelect)  
\{  
//clrNewTextColor = RGB(255,0,0);     //Set the text to red  
clrNewTextColor = RGB(0, 255, 0);     //Set the text to red  
clrNewBkColor = RGB(0, 0, 255);     //Set the bkgrnd color to blue  
\}  
else  
\{  
clrNewTextColor = RGB(0, 0, 0);     //Leave the text black  
clrNewBkColor = RGB(255, 255, 255);    //leave the bkgrnd color white  
\}  
pLVCD->clrText = clrNewTextColor;  
pLVCD->clrTextBk = clrNewBkColor;  
// Tell Windows to paint the control itself.  
\*pResult = CDRF\_DODEFAULT;  
\}  
\}

[CTreeCtrl_CListCtrl]: http://www.cnblogs.com/greatverve/p/ctreectrl-clistctrl-highlight.html
[24221313-9e9e4065b32f47838d70da6fb55fec11.x-png]: /images/20220713/9fc67b628f2049b8baaa15c4a1e29af1.png