odbutton.cpp

讲mfc的书

// ODButton.cpp : implementation file
//

#include "stdafx.h"
#include "buttons.h"
#include "ODButton.h"

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

/////////////////////////////////////////////////////////////////////////////
// CODButton

CODButton::CODButton()
{
}

CODButton::~CODButton()
{
}


BEGIN_MESSAGE_MAP(CODButton, CButton)
	//{{AFX_MSG_MAP(CODButton)
		// NOTE - the ClassWizard will add and remove mapping macros here.
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CODButton message handlers

void CODButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
{
	CDC *dc=CDC::FromHandle(lpDrawItemStruct->hDC);
	CBrush *btnface;
	CString caption;
	GetWindowText(caption);
	btnface=CBrush::FromHandle(GetSysColorBrush(COLOR_BTNFACE));
	if (lpDrawItemStruct->itemState&ODS_SELECTED==ODS_SELECTED)
		btnface=(CBrush *)dc->SelectStockObject(WHITE_BRUSH);
	else
		btnface=dc->SelectObject(btnface);
	dc->Ellipse(&lpDrawItemStruct->rcItem);
	dc->SetBkMode(TRANSPARENT);
	dc->DrawText(caption,-1,&lpDrawItemStruct->rcItem,
		   DT_SINGLELINE|DT_CENTER|DT_VCENTER);
	dc->SelectObject(btnface);
}