helloworlddlg.cpp

里面有很多wince下开发的源代码

// HelloWorldDlg.cpp : implementation file
//

#include "stdafx.h"
#include "HelloWorld.h"
#include "HelloWorldDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CHelloWorldDlg dialog

CHelloWorldDlg::CHelloWorldDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CHelloWorldDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CHelloWorldDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CHelloWorldDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CHelloWorldDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CHelloWorldDlg, CDialog)
	//{{AFX_MSG_MAP(CHelloWorldDlg)
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CHelloWorldDlg message handlers

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

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	CenterWindow(GetDesktopWindow());	// center to the hpc screen

	
	GetClientRect(&m_rect) ;
	/*
	CDC* pDC = GetDC() ;

	CDC* pSrcDC  ;
		pSrcDC->CreateCompatibleDC(pDC) ;


	DeleteDC(pDC) ;
	*/
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}



void CHelloWorldDlg::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	HDC hdcSrc;
            hdcSrc = CreateCompatibleDC(dc);
            HBITMAP hbmOld, hbm;
			BITMAP bm ;
			hbm = LoadBitmap(AfxGetApp()->m_hInstance,MAKEINTRESOURCE(IDB_BITMAP_CAM)) ;
			GetObject(hbm, sizeof(bm), &bm);
			hbmOld = (struct HBITMAP__ *)SelectObject(hdcSrc, hbm);


            //BitBlt(hdc, 0, 0, bm.bmWidth, bm.bmHeight, hdcSrc, 0, 0, SRCCOPY);
			BitBlt(dc, 0, 0, bm.bmWidth, bm.bmHeight, hdcSrc, 0, 0, SRCCOPY);

            SelectObject(hdcSrc, hbmOld);
	        DeleteObject(hbm) ;
            DeleteDC(hdcSrc);	
	// Do not call CDialog::OnPaint() for painting messages
}