demodlg.cpp

来自「《MFC经典问答》pdf格式 拿出来大家共享一下」· C++ 代码 · 共 120 行

// DemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CustomControlDlg.h"
#include "DemoDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDemoDlg dialog


CDemoDlg::CDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CDemoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CDemoDlg)
	m_nX = 0;
	m_nY = 0;
	m_nShape = -1;
	//}}AFX_DATA_INIT
}


void CDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDemoDlg)
	DDX_Control(pDX, IDC_SHAPE, m_cmbShape);
	DDX_Control(pDX, IDC_Y, m_edtY);
	DDX_Control(pDX, IDC_X, m_edtX);
	DDX_Text(pDX, IDC_X, m_nX);
	DDX_Text(pDX, IDC_Y, m_nY);
	DDX_CBIndex(pDX, IDC_SHAPE, m_nShape);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CDemoDlg)
	ON_WM_CTLCOLOR()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDemoDlg message handlers

HBRUSH CDemoDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	
	// IDC_STATIC_X and IDC_STATIC_Y controls
	// draw their text in BLUE
	if( pWnd->GetDlgCtrlID() == IDC_STATIC_X 
		|| pWnd->GetDlgCtrlID() == IDC_STATIC_Y )
	{
		pDC->SetTextColor( RGB( 0, 0, 255 ) );	// BLUE
	}

	// IDC_X and IDC_Y controls draw their text in RED
	if( pWnd->GetDlgCtrlID() == IDC_X
		|| pWnd->GetDlgCtrlID() == IDC_Y )
	{
		pDC->SetTextColor( RGB( 255, 0, 0 ) );	// RED
	}

	return hbr;
}


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

	CClientDC dc( this );	// need a DC for GetDeviceCaps() below

	LOGFONT lf;				// logical font structure
	::ZeroMemory( &lf, sizeof( lf ) );

	// 12 point Times bold
	lf.lfHeight = - MulDiv( 12, dc.GetDeviceCaps( LOGPIXELSX ), 72 );
	lf.lfWidth			= 0;
	lf.lfEscapement		= 0;
	lf.lfOrientation	= 0;
	lf.lfWeight			= FW_BOLD;
	lf.lfItalic			= FALSE;
	lf.lfUnderline		= FALSE;
	lf.lfStrikeOut		= FALSE;
	lf.lfCharSet		= DEFAULT_CHARSET;
	lf.lfOutPrecision	= OUT_DEFAULT_PRECIS;
	lf.lfClipPrecision	= CLIP_DEFAULT_PRECIS;
	lf.lfQuality		= DEFAULT_QUALITY;
	lf.lfPitchAndFamily	= VARIABLE_PITCH | FF_ROMAN;

	// Create font
	m_font1.CreateFontIndirect( &lf );

	// Set control font
	GetDlgItem( IDC_STATIC_X )->SetFont( &m_font1 );
	GetDlgItem( IDC_STATIC_Y )->SetFont( &m_font1 );

	// 12 point Arial bold italic
	lf.lfItalic			= TRUE;
	lf.lfPitchAndFamily	= VARIABLE_PITCH | FF_SWISS;

	// Create font
	m_font2.CreateFontIndirect( &lf );

	// Set control font
	GetDlgItem( IDC_X )->SetFont( &m_font2 );
	GetDlgItem( IDC_Y )->SetFont( &m_font2 );
	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}