Setting the Background Image for a List Control

1、新建一个对话框工程，在对话框中添加一个list控件，ID：IDC_LIST1。打开MFC ClassWizard，点击Add Class按钮添加新类CListNew，Base class:CListCtrl，同时为list控件关联控件变量，变量名为：m_RecordList，变量类型为：CListNew。同时在CxxDlg.h文件中添加#include "ListNew.h"
2、在listNew.h构造函数中添加：public: SetBkImageNew(CString strImagePath);
                                                          CBitmap m_bmpBkImage;
                                                          BOOL m_bLoaded;
3、在ClassView视图下，选中CListNew，点击右键选择：Add Windows Message Handles for class CListNew，添加=LVN_ITEMCHANGED、WM_ERASEBKGND、WM_HSCROLL、WM_VSCROLL
4、在ListNew.cpp中添加OnEraseBkgnd、SetBkImageNew、OnHScroll、OnVScroll、OnItemchanged等实现函数
    BOOL CListNew::OnEraseBkgnd(CDC* pDC)
{
// TODO: Add your message handler code here and/or call default
if(m_bLoaded)
{
BITMAP bmp;
m_bmpBkImage.GetBitmap(&bmp);
CRect rcClient;
GetWindowRect(&rcClient);
ScreenToClient(&rcClient);
//GetClientRect(&rcClient);
CDC dcMem;
dcMem.CreateCompatibleDC(pDC);
dcMem.SelectObject(m_bmpBkImage);
pDC->SetStretchBltMode(COLORONCOLOR);
pDC->StretchBlt(rcClient.left,rcClient.top,rcClient.Width(),rcClient.Height(),&dcMem,0,0,bmp.bmWidth,bmp.bmHeight,SRCCOPY);
}
        return TRUE;
// return CListCtrl::OnEraseBkgnd(pDC);
}

BOOL CListNew::SetBkImageNew(CString strImagePath)
{
HBITMAP hBitmap = (HBITMAP)::LoadImage(AfxGetInstanceHandle(),strImagePath.GetBuffer(0),IMAGE_BITMAP,0,0,LR_LOADFROMFILE|LR_CREATEDIBSECTION);
m_bmpBkImage.Attach(hBitmap);
m_bLoaded=TRUE;
Invalidate();
return 0;
}

void CListNew::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
{
// TODO: Add your message handler code here and/or call default
Invalidate();
CListCtrl::OnHScroll(nSBCode, nPos, pScrollBar);
}

void CListNew::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
{
// TODO: Add your message handler code here and/or call default
Invalidate();
CListCtrl::OnVScroll(nSBCode, nPos, pScrollBar);
}

void CListNew::OnItemchanged(NMHDR* pNMHDR, LRESULT* pResult)
{
NM_LISTVIEW* pNMListView = (NM_LISTVIEW*)pNMHDR;
// TODO: Add your control notification handler code here
POSITION pos=GetFirstSelectedItemPosition();
if(pos==NULL)
Invalidate();
*pResult = 0;
}
5、将需要添加为背景图片的BMP位图放在当前工程目录文件夹下，(此处我把BMP位图放在res文件夹下，位图名称为：t0.bmp)
6、在CxxDlg类中的OnInitDialog函数里添加：
    char pBuf[256];                                 //存放路径的变量
    GetCurrentDirectory(256,pBuf);                   //获取程序的当前目录
    strcat(pBuf,"//res//t0.bmp");
m_RecordList.SetBkImageNew(pBuf);
m_RecordList.SetBkColor(CLR_NONE);
m_RecordList.SetTextBkColor(CLR_NONE); //设置背景透明

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Setting the Background Image for a List Control

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