listctrlex.cpp

这是一本学习 window编程的很好的参考教材

// ListCtrlEx.cpp : implementation file
//

#include "stdafx.h"
#include "PlugSDI.h"
#include "ListCtrlEx.h"

// CListCtrlEx
IMPLEMENT_DYNAMIC(CListCtrlEx, CListCtrl)
CListCtrlEx::CListCtrlEx()
{
}

CListCtrlEx::~CListCtrlEx()
{
}

BEGIN_MESSAGE_MAP(CListCtrlEx, CListCtrl)
	ON_WM_PAINT()
	ON_NOTIFY_REFLECT(NM_CUSTOMDRAW, OnNMCustomdraw)
END_MESSAGE_MAP()

// CListCtrlEx message handlers
void CListCtrlEx::OnPaint()
{
	// TODO: Add your message handler code here
	// Do not call CListCtrl::OnPaint() for painting messages

	Default();

	if (GetItemCount() <= 0)
    {
        COLORREF clrText = ::GetSysColor(COLOR_WINDOWTEXT);
        COLORREF clrTextBk = ::GetSysColor(COLOR_WINDOW);

        CDC* pDC = GetDC();
        // Save dc state
        int nSavedDC = pDC->SaveDC();

        CRect rc;
//        GetWindowRect(&rc);
  //      ScreenToClient(&rc);
		GetClientRect(&rc);

        CHeaderCtrl* pHC;
        pHC = GetHeaderCtrl();
        if (pHC != NULL)
        {
            CRect rcH;
            pHC->GetItemRect(0, &rcH);
            rc.top += rcH.bottom;
        }
        rc.top += 10;

        CString strText((LPCSTR)"No Plug-Ins (*.PLX) found"); // The message you want!

        pDC->SetTextColor(clrText);
        pDC->SetBkColor(clrTextBk);
		CBrush cbrTextbk(clrTextBk);
        pDC->FillRect(rc, &cbrTextbk);
        pDC->SelectStockObject(ANSI_VAR_FONT);
        pDC->DrawText(strText, -1, rc, 
                      DT_CENTER | DT_WORDBREAK | DT_NOPREFIX | DT_NOCLIP);

        // Restore dc
        pDC->RestoreDC(nSavedDC);
        ReleaseDC(pDC);
    }
}

void CListCtrlEx::OnNMCustomdraw(NMHDR *pNMHDR, LRESULT *pResult)
{
//	LPNMCUSTOMDRAW pNMCD = reinterpret_cast<LPNMCUSTOMDRAW>(pNMHDR);
	// TODO: Add your control notification handler code here

	LPNMLVCUSTOMDRAW lplvcd = (LPNMLVCUSTOMDRAW)pNMHDR;

    switch(lplvcd->nmcd.dwDrawStage)
	{
		// Request prepaint notifications for each item.
		case CDDS_PREPAINT:
			*pResult = CDRF_NOTIFYITEMDRAW;
			break;

		// Requested notification
		case CDDS_ITEMPREPAINT:
			if(lplvcd->nmcd.dwItemSpec % 2)
			{
				// Black
				lplvcd->clrText = RGB(0, 0, 0);
				// Yellow
				lplvcd->clrTextBk = RGB(125, 255, 125);
			}
			*pResult = CDRF_DODEFAULT;
			break;
	}
}