Hook api

Development Platform:

Visual C++

AboutDlg.cpp：Code Content

							// AboutDlg.cpp : implementation file
//
#include "stdafx.h"
#include "CQQFind.h"
#include "AboutDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog
CAboutDlg::CAboutDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CAboutDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CAboutDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}
void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	DDX_Control(pDX, IDOK, m_btnOK);
	//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg message handlers
BOOL CAboutDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	m_btnOK.SetDefaultFace();
	m_btnOK.SetDefaultButton(TRUE);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}
void CAboutDlg::OnOK() 
{
	// TODO: Add extra validation here
	SetWindowLong(m_hWnd,GWL_EXSTYLE,   
	GetWindowLong(m_hWnd,GWL_EXSTYLE)|0x80000);   
	HINSTANCE   hInst   =   LoadLibrary("User32.DLL");     
	if(hInst)     
	{     
		typedef   BOOL   (WINAPI   *MYFUNC)(HWND,COLORREF,BYTE,DWORD);     
		MYFUNC   fun   =   NULL;    
		fun=(MYFUNC)GetProcAddress(hInst,   "SetLayeredWindowAttributes");   
		if(fun)
		{
			int i=255*3;
			{
				while(i--)
				{
					MSG msg;
					while(PeekMessage(&msg,m_hWnd,0,0,PM_REMOVE))
					{
						TranslateMessage(&msg);
						DispatchMessage(&msg);
					}
					fun(m_hWnd,0,i/3,2);  
				}
			}
		}
		FreeLibrary(hInst);
	}
	CDialog::OnOK();
}

						