CListCtrl透明背景图片

最新推荐文章于 2017-10-27 10:10:32 发布

rundll64

最新推荐文章于 2017-10-27 10:10:32 发布

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分类专栏： VC++/MFC

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class CMyDialog : public CDialog
{
    enum { IDD = IDD_DIALOG1 };
    DECLARE_MESSAGE_MAP()
public:
    CMyDialog(CWnd* pParent = NULL);
    virtual BOOL OnInitDialog();
    afx_msg BOOL OnEraseBkgnd(CDC* pDC);
};

BEGIN_MESSAGE_MAP(CMyDialog, CDialog)
    ON_WM_ERASEBKGND()
END_MESSAGE_MAP()

CMyDialog::CMyDialog(CWnd* pParent /*=NULL*/)
    : CDialog(CMyDialog::IDD, pParent)
{
}

BOOL CMyDialog::OnInitDialog()
{
    CDialog::OnInitDialog();

    ModifyStyleEx(0, WS_EX_LAYERED);
    ((CListCtrl*)GetDlgItem(IDC_LIST1))->SetBkColor(RGB(1,2,3)); 
    SetLayeredWindowAttributes(RGB(1,2,3), 0, LWA_COLORKEY);
    return TRUE;
}

BOOL CMyDialog::OnEraseBkgnd(CDC* pDC)
{
    RECT rc;
    GetClientRect(&rc);
    pDC->FillSolidRect(&rc, RGB(1,2,3));

    return TRUE;
}

//重载了NM_CUSTOMDRAW..
(NMHDR *pNMHDR, LRESULT *pResult)
{
	
	LPNMLVCUSTOMDRAW lpLVCustomDraw = (LPNMLVCUSTOMDRAW)(pNMHDR);
	switch(lpLVCustomDraw ->nmcd.dwDrawStage)
	{
	case CDDS_ITEMPREPAINT:
	case CDDS_ITEMPREPAINT | CDDS_SUBITEM:
		lpLVCustomDraw ->clrText = CLR_DEFAULT;		
		lpLVCustomDraw->clrTextBk = RGB(1,2,3); //这里的RGB和要设置透明的一样
		break;
	default:
		break;
	}

	*pResult = 0;
	*pResult |= CDRF_NOTIFYPOSTPAINT;
	*pResult |= CDRF_NOTIFYITEMDRAW;
	*pResult |= CDRF_NOTIFYSUBITEMDRAW;

}