enumprocesstestdlg.cpp

这是一本学习 window编程的很好的参考教材

// EnumProcessTestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "EnumProcessTest.h"
#include "EnumProcessTestDlg.h"
#include "EnumProcess.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()

/////////////////////////////////////////////////////////////////////////////
// CEnumProcessTestDlg dialog

CEnumProcessTestDlg::CEnumProcessTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CEnumProcessTestDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CEnumProcessTestDlg)
		// 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 CEnumProcessTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEnumProcessTestDlg)
	DDX_Control(pDX, IDC_ENUM16, m_enum16);
	DDX_Control(pDX, IDC_MODULE, m_moduleButton);
	DDX_Control(pDX, IDC_MAINLIST, m_mainlist);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CEnumProcessTestDlg, CDialog)
	//{{AFX_MSG_MAP(CEnumProcessTestDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_ENUMERATEPROCESSES, OnEnumerateprocesses)
	ON_BN_CLICKED(IDC_PSAPI, OnPsapi)
	ON_BN_CLICKED(IDC_TOOLHELP, OnToolhelp)
	ON_BN_CLICKED(IDC_MODULE, OnModule)
    ON_NOTIFY(NM_CUSTOMDRAW, IDC_MAINLIST, OnCustomDrawList)
	ON_BN_CLICKED(IDC_ENUM16, OnEnum16)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEnumProcessTestDlg message handlers

BOOL CEnumProcessTestDlg::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
	
    CButton* th  = static_cast<CButton*>(GetDlgItem(IDC_TOOLHELP));
    CButton* ps  = static_cast<CButton*>(GetDlgItem(IDC_PSAPI)); 

    CEnumProcess tmp;
    int method = tmp.GetAvailableMethods();
    if (method != (method|ENUM_METHOD::PSAPI))    ps->EnableWindow(FALSE);
    if (method != (method|ENUM_METHOD::TOOLHELP)) th->EnableWindow(FALSE);
    if (method != (method|ENUM_METHOD::PROC16))   m_enum16.EnableWindow(FALSE);


    m_enumMethod = tmp.GetSuggestedMethod();
    TRACE("EnumMethod: %ld, %ld", m_enumMethod, method);
    if ((ENUM_METHOD::PSAPI|m_enumMethod) == m_enumMethod)
        ps->SetCheck(1);
    if ((ENUM_METHOD::TOOLHELP|m_enumMethod) == m_enumMethod)
        th->SetCheck(1);
    if ((ENUM_METHOD::PROC16|m_enumMethod) == m_enumMethod)
        m_enum16.SetCheck(1);

    m_moduleButton.EnableWindow(FALSE);

	CRect listRect;
    m_mainlist.GetWindowRect(&listRect);
    m_mainlist.InsertColumn(0, "", LVCFMT_LEFT, listRect.Width()/2);
    m_mainlist.InsertColumn(1, "", LVCFMT_LEFT, listRect.Width()/2);
	m_mainlist.SetExtendedStyle(LVS_EX_FULLROWSELECT | LVS_EX_GRIDLINES);
    m_imageList.Create(16, 16, 0, 8, 8); // 32, 32 for large icons
	m_imageList.Add(AfxGetApp()->LoadIcon(IDI_PROCESS));
	m_imageList.Add(AfxGetApp()->LoadIcon(IDI_PROCESS16));
	m_imageList.Add(AfxGetApp()->LoadIcon(IDI_MODULE));
	m_imageList.Add(AfxGetApp()->LoadIcon(IDI_WMODULE));
	m_mainlist.SetImageList(&m_imageList, LVSIL_SMALL);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CEnumProcessTestDlg::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 CEnumProcessTestDlg::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 CEnumProcessTestDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CEnumProcessTestDlg::OnEnumerateprocesses() 
{   m_moduleButton.EnableWindow(TRUE);
    m_mainlist.DeleteAllItems();
    CEnumProcess enumeration;
    enumeration.SetMethod(m_enumMethod);
    CEnumProcess::CProcessEntry entry;

    CString s;

    for (BOOL OK = enumeration.GetProcessFirst(&entry); OK; OK = enumeration.GetProcessNext(&entry) )
        {int image = 0;
         if (entry.hTask16)
            {s.Format("%08X (%ld)", entry.dwPID, entry.hTask16);
             image = 1;
            }
         else
            s.Format("%08X", entry.dwPID);
         TRACE(s + " %s\n", entry.lpFilename);
         int index = m_mainlist.InsertItem(LVIF_TEXT | LVIF_PARAM | LVIF_IMAGE, 0, s, NULL, LVIS_FOCUSED , image, entry.dwPID);
         m_mainlist.SetItem(index,1,LVIF_TEXT, entry.lpFilename, NULL, NULL, NULL, NULL);
        }

}

void CEnumProcessTestDlg::OnPsapi() 
{
    m_enumMethod = ENUM_METHOD::PSAPI +m_enum16.GetCheck()*ENUM_METHOD::PROC16;

}

void CEnumProcessTestDlg::OnToolhelp() 
{
    m_enumMethod = ENUM_METHOD::TOOLHELP +m_enum16.GetCheck()*ENUM_METHOD::PROC16;

}

void CEnumProcessTestDlg::OnEnum16() 
{   CButton* th  = static_cast<CButton*>(GetDlgItem(IDC_TOOLHELP));
    CButton* ps  = static_cast<CButton*>(GetDlgItem(IDC_PSAPI)); 
    m_enumMethod = th->GetCheck()*ENUM_METHOD::TOOLHELP +
                   ps->GetCheck()*ENUM_METHOD::PSAPI    
                   + m_enum16.GetCheck()*ENUM_METHOD::PROC16;
                
	
}


void CEnumProcessTestDlg::OnModule() 
{
 int pos = m_mainlist.GetSelectionMark();
 if (-1 == pos) return;
 m_moduleButton.EnableWindow(FALSE);
 DWORD dwPID = m_mainlist.GetItemData(pos);

 m_mainlist.DeleteAllItems();
 CEnumProcess enumeration;
 enumeration.SetMethod(m_enumMethod);
 CEnumProcess::CModuleEntry entry;

 CString s;

 BOOL OK = enumeration.GetModuleFirst(dwPID, &entry);
 if (!OK) 
    {m_mainlist.InsertItem(LVIF_TEXT | LVIF_PARAM | LVIF_IMAGE, 0, "Module listing not available", NULL, LVIS_FOCUSED , 3, 0);
     return;
    }

 for (OK = enumeration.GetModuleFirst(dwPID, &entry); OK; OK = enumeration.GetModuleNext(dwPID, &entry) )
 {int image = entry.pLoadBase==entry.pPreferredBase?2:3;
         s.Format("0x%08X (0x%08X)", entry.pLoadBase, entry.pPreferredBase);
         TRACE(s + " %s\n", entry.lpFilename);
         
         int index = m_mainlist.InsertItem(LVIF_TEXT | LVIF_PARAM | LVIF_IMAGE, 0, s, NULL, LVIS_FOCUSED , image, 0);
         m_mainlist.SetItem(index,1,LVIF_TEXT, entry.lpFilename, NULL, NULL, NULL, NULL);
        }

	
}




void CEnumProcessTestDlg::OnCustomDrawList(NMHDR *pNMHDR, LRESULT *pResult)
{NMLVCUSTOMDRAW* pLVCD = reinterpret_cast<NMLVCUSTOMDRAW*>( pNMHDR );

    // Take the default processing unless we set this to something else below.
    *pResult = CDRF_DODEFAULT;

    // First thing - check the draw stage. If it's the control's prepaint
    // stage, then tell Windows we want messages for every item.

    if ( CDDS_PREPAINT == pLVCD->nmcd.dwDrawStage )
        {
        *pResult = CDRF_NOTIFYITEMDRAW;
        }
    else if ( CDDS_ITEMPREPAINT == pLVCD->nmcd.dwDrawStage )
        {
        COLORREF crBkgnd;

        if ( (pLVCD->nmcd.dwItemSpec % 2) == 0 )
            crBkgnd = RGB(255,255,255);
        else 
	        crBkgnd = RGB(220,220,220); 
            

        // Store the color back in the NMLVCUSTOMDRAW struct.
        pLVCD->clrTextBk = crBkgnd;

        // Tell Windows to paint the control itself.
        *pResult = CDRF_DODEFAULT;
        }


}