shortcutdlg.cpp

C++编程实践与技巧一书各章节的源码

// shortcutDlg.cpp : implementation file
//

#include "stdafx.h"
#include "shortcut.h"
#include "shortcutDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CShortcutDlg dialog

CShortcutDlg::CShortcutDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CShortcutDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CShortcutDlg)
		// 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 CShortcutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CShortcutDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CShortcutDlg, CDialog)
	//{{AFX_MSG_MAP(CShortcutDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CShortcutDlg message handlers

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

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CShortcutDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CShortcutDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CShortcutDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CShortcutDlg::OnButton1() 
{

	IShellLink* pLink;
    IPersistFile* pPersistFile;
    LPMALLOC      ShellMalloc;
    LPITEMIDLIST  DesktopPidl;
    char DesktopDirC[1000];
	WORD DesktopDirW[1000];
 
    if(FAILED(SHGetMalloc(&ShellMalloc)))
        return;
 
    if(FAILED(SHGetSpecialFolderLocation(NULL,
                                         CSIDL_DESKTOPDIRECTORY,
                                         &DesktopPidl)))
        return;
 
    if(!SHGetPathFromIDList(DesktopPidl, DesktopDirC))
    {
        ShellMalloc->Free(DesktopPidl);
        ShellMalloc->Release();
        return;
    }
 
    ShellMalloc->Free(DesktopPidl);
    ShellMalloc->Release();
                                               
    if(SUCCEEDED(CoInitialize(NULL)))
    {
        if(SUCCEEDED(CoCreateInstance(CLSID_ShellLink, NULL,
                                      CLSCTX_INPROC_SERVER,
                                      IID_IShellLink, (void **) &pLink)))
        {
            pLink->SetPath("c:\\diag\\readme.txt");
            pLink->SetDescription("Woo hoo, look at Homer's shortcut");
            pLink->SetShowCmd(SW_SHOW);
 
            if(SUCCEEDED(pLink->QueryInterface(IID_IPersistFile,
                                               (void **)&pPersistFile)))
            {
 				memcpy(DesktopDirC+strlen(DesktopDirC),"\\demo.lnk",17);
				MultiByteToWideChar( CP_ACP, 0, DesktopDirC, -1, DesktopDirW, MAX_PATH); 
                pPersistFile->Save(DesktopDirW, TRUE);
                pPersistFile->Release();
            }
            pLink->Release();
        }
        CoUninitialize();
	}    
}