myctrllist.cpp

来自「自己写的类似,数码相机的主界面.主要实现方法是,使listctrl透明,然后贴上」· C++ 代码 · 共 69 行

// MyCtrlList.cpp : implementation file
//

#include "stdafx.h"
#include "Main.h"
#include "MyCtrlList.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMyCtrlList

CMyCtrlList::CMyCtrlList()
{
}

CMyCtrlList::~CMyCtrlList()
{
}


BEGIN_MESSAGE_MAP(CMyCtrlList, CListCtrl)
	//{{AFX_MSG_MAP(CMyCtrlList)
	ON_CONTROL_REFLECT(EN_CHANGE, OnChange)
	ON_WM_CTLCOLOR()
	//}}AFX_MSG_MAP
	ON_WM_ERASEBKGND()
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyCtrlList message handlers
void CMyCtrlList::OnChange() 
{
	Invalidate();
}

BOOL CMyCtrlList::OnEraseBkgnd(CDC* pDC) 
{
	BITMAP bm;
	m_bmp.GetBitmap(&bm);
	m_pbmCurrent = &m_bmp;
	CDC dcMem;
	dcMem.CreateCompatibleDC(pDC);
	CBitmap* pOldBitmap = dcMem.SelectObject(m_pbmCurrent);
	pDC->BitBlt(0,0,bm.bmWidth,bm.bmHeight,&dcMem,0,0,SRCCOPY);
	dcMem.SelectObject(pOldBitmap);
    return TRUE; 
}

HBRUSH CMyCtrlList::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr = CListCtrl::OnCtlColor(pDC, pWnd, nCtlColor);
	
	// TODO: Change any attributes of the DC here
	
	pDC->SetBkMode(TRANSPARENT);
	pDC->SetTextColor(RGB(0xff,0xff,0xff));

//	pDC->SetBkColor(TRANSPARENT);

	return m_brHollow;
//	return hbr;
}