界面编程

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Visual C++

Splash.cpp：源码内容

							// CG: This file was added by the Splash Screen component.
// Splash.cpp : implementation file
//
#include "stdafx.h"  // e. g. stdafx.h
#include "resource.h"  // e.g. resource.h
#include "Splash.h"  // e.g. splash.h
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
//   Splash Screen class
BOOL CSplashWnd::c_bShowSplashWnd;
CSplashWnd* CSplashWnd::c_pSplashWnd;
CSplashWnd::CSplashWnd()
{
}
CSplashWnd::~CSplashWnd()
{
	// Clear the static window pointer.
	ASSERT(c_pSplashWnd == this);
	c_pSplashWnd = NULL;
}
BEGIN_MESSAGE_MAP(CSplashWnd, CWnd)
	//{{AFX_MSG_MAP(CSplashWnd)
	ON_WM_CREATE()
	ON_WM_PAINT()
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
void CSplashWnd::EnableSplashScreen(BOOL bEnable /*= TRUE*/)
{
	c_bShowSplashWnd = bEnable;
}
void CSplashWnd::ShowSplashScreen(CWnd* pParentWnd /*= NULL*/)
{
	if (!c_bShowSplashWnd || c_pSplashWnd != NULL)
		return;
	// Allocate a new splash screen, and create the window.
	c_pSplashWnd = new CSplashWnd;
	if (!c_pSplashWnd->Create(pParentWnd))
		delete c_pSplashWnd;
	else
		c_pSplashWnd->UpdateWindow();
}
BOOL CSplashWnd::PreTranslateAppMessage(MSG* pMsg)
{
	if (c_pSplashWnd == NULL)
		return FALSE;
	// If we get a keyboard or mouse message, hide the splash screen.
	if (pMsg->message == WM_KEYDOWN ||
	    pMsg->message == WM_SYSKEYDOWN ||
	    pMsg->message == WM_LBUTTONDOWN ||
	    pMsg->message == WM_RBUTTONDOWN ||
	    pMsg->message == WM_MBUTTONDOWN ||
	    pMsg->message == WM_NCLBUTTONDOWN ||
	    pMsg->message == WM_NCRBUTTONDOWN ||
	    pMsg->message == WM_NCMBUTTONDOWN)
	{
		c_pSplashWnd->HideSplashScreen();
		return TRUE;	// message handled here
	}
	return FALSE;	// message not handled
}
BOOL CSplashWnd::Create(CWnd* pParentWnd /*= NULL*/)
{
	if (!m_bitmap.LoadBitmap(IDB_SPLASH))
		return FALSE;
	BITMAP bm;
	m_bitmap.GetBitmap(&bm);
	return CreateEx(0,
		AfxRegisterWndClass(0, AfxGetApp()->LoadStandardCursor(IDC_ARROW)),
		NULL, WS_POPUP | WS_VISIBLE, 0, 0, bm.bmWidth, bm.bmHeight, pParentWnd->GetSafeHwnd(), NULL);
}
void CSplashWnd::HideSplashScreen()
{
	// Destroy the window, and update the mainframe.
	DestroyWindow();
	AfxGetMainWnd()->UpdateWindow();
}
void CSplashWnd::PostNcDestroy()
{
	// Free the C++ class.
	delete this;
}
int CSplashWnd::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	// Center the window.
	CenterWindow();
	// Set a timer to destroy the splash screen.
	SetTimer(1, 1850, NULL);
	return 0;
}
void CSplashWnd::OnPaint()
{
	CPaintDC dc(this);
	CDC dcImage;
	if (!dcImage.CreateCompatibleDC(&dc))
		return;
	BITMAP bm;
	m_bitmap.GetBitmap(&bm);
	// Paint the image.
	CBitmap* pOldBitmap = dcImage.SelectObject(&m_bitmap);
	dc.BitBlt(0, 0, bm.bmWidth, bm.bmHeight, &dcImage, 0, 0, SRCCOPY);
	dcImage.SelectObject(pOldBitmap);
}
void CSplashWnd::OnTimer(UINT nIDEvent)
{
	
	HideSplashScreen();
}

						