testdlg.cpp

隐藏磁盘驱动器、判断磁盘驱动器类型、启动光驱的自动播放功能、指定程序播放CD、关闭和打开光驱、系统内存的使用情况

// TestDlg.cpp : 实现文件
//

#include "stdafx.h"
#include "Test.h"
#include "TestDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// 用于应用程序“关于”菜单项的 CAboutDlg 对话框

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

// 对话框数据
	enum { IDD = IDD_ABOUTBOX };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV 支持

// 实现
protected:
	DECLARE_MESSAGE_MAP()
};

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

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

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// CTestDlg 对话框



CTestDlg::CTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTestDlg::IDD, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CTestDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_BN_CLICKED(IDC_BTNHIDE, OnBnClickedBtnhide)
	ON_BN_CLICKED(IDC_BTNTYPE, OnBnClickedBtntype)
	ON_BN_CLICKED(IDC_BTNAUTOPLAY, OnBnClickedBtnautoplay)
	ON_BN_CLICKED(IDC_BTNPLAYPROGRAM, OnBnClickedBtnplayprogram)
	ON_BN_CLICKED(IDC_BTNOPENCLOSE, OnBnClickedBtnopenclose)
	ON_BN_CLICKED(IDC_BTNMEMORY, OnBnClickedBtnmemory)
	ON_BN_CLICKED(IDC_BUTTON2, OnBnClickedButton2)
END_MESSAGE_MAP()


// CTestDlg 消息处理程序

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

	// 将\“关于...\”菜单项添加到系统菜单中。

	// IDM_ABOUTBOX 必须在系统命令范围内。
	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);
		}
	}

	// 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
	//  执行此操作
	SetIcon(m_hIcon, TRUE);			// 设置大图标
	SetIcon(m_hIcon, FALSE);		// 设置小图标

	// TODO：在此添加额外的初始化代码
	
	return TRUE;  // 除非设置了控件的焦点，否则返回 TRUE
}

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

// 如果向对话框添加最小化按钮，则需要下面的代码
//  来绘制该图标。对于使用文档/视图模型的 MFC 应用程序，
//  这将由框架自动完成。

void CTestDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // 用于绘制的设备上下文

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// 使图标在工作矩形中居中
		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;

		// 绘制图标
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

//当用户拖动最小化窗口时系统调用此函数取得光标显示。
HCURSOR CTestDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void CTestDlg::OnBnClickedBtnhide()
{
	HKEY hKey;
	LPCTSTR KeyValue="NoDrives";
	DWORD Value=4;
	LPCTSTR StrKey="Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer";
	if (ERROR_SUCCESS==::RegOpenKeyEx(HKEY_CURRENT_USER,StrKey,NULL,KEY_ALL_ACCESS,&hKey))
	{
		if (ERROR_SUCCESS==::RegSetValueEx(hKey,(LPCTSTR)KeyValue,0,REG_BINARY,(BYTE *)&Value,sizeof(Value)))
			MessageBox("请注销计算机，查看设置结果","信息提示",MB_OK);
		::RegCloseKey(hKey);
	}
}

void CTestDlg::OnBnClickedBtntype()
{
	CString StrDisktype;
	switch( ::GetDriveType("G:") )
	{
		case DRIVE_REMOVABLE:
			StrDisktype="软驱";
			break;
		case DRIVE_FIXED:
			StrDisktype="固定硬盘";
			break;
		case DRIVE_REMOTE:
			StrDisktype="网络驱动器";
			break;
		case DRIVE_CDROM:
			StrDisktype="光驱";
			break;
		case DRIVE_RAMDISK:
			StrDisktype="RAM驱动器";
			break;
		default:
			StrDisktype="未知";
			break;
	}	
	MessageBox("G：盘为："+StrDisktype,"信息提示",MB_OK);
}

void CTestDlg::OnBnClickedBtnautoplay()
{
	HKEY hKey;
	LPCTSTR KeyValue="AUTORUN";
	//Value值为1表示启用，为0表示禁用
	DWORD Value=1;   
	LPCTSTR StrKey="System\\CurrentControlSet\\Services\\CDRom";
	if (ERROR_SUCCESS==::RegOpenKeyEx(HKEY_LOCAL_MACHINE,StrKey,NULL,KEY_ALL_ACCESS,&hKey))
	{
		if(ERROR_SUCCESS==::RegSetValueEx(hKey,(LPCTSTR)KeyValue,0,REG_DWORD,(BYTE *)&Value,sizeof(Value)))
			MessageBox("请注销计算机，查看设置结果","信息提示",MB_OK);
		::RegCloseKey(hKey);
	}
}

void CTestDlg::OnBnClickedBtnplayprogram()
{
	CString   StrFilter="可执行程序(*.exe)|*.exe|所有文件(*.*)|*.*||";
	CFileDialog  Dlg(TRUE,NULL,NULL,NULL,StrFilter,this);	
	if(Dlg.DoModal()==IDCANCEL)
		return;
	HKEY hKey;
	LPCTSTR KeyValue="";
	LPCTSTR Value=Dlg.GetPathName()+" %1";
	LPCTSTR StrKey="AudioCD\\Shell\\Play\\Command";
	if (ERROR_SUCCESS==::RegOpenKeyEx(HKEY_CLASSES_ROOT,StrKey,NULL,KEY_ALL_ACCESS,&hKey))
	{
		if (ERROR_SUCCESS==::RegSetValueEx(hKey,(LPCTSTR)KeyValue,0,REG_SZ,(BYTE *)(LPCSTR)Value,strlen(Value)+1))
			MessageBox("请注销计算机，查看设置结果","信息提示",MB_OK);
		::RegCloseKey(hKey);
	}
}
#include <mmsystem.h>
#include ".\testdlg.h"
void CTestDlg::OnBnClickedBtnopenclose()
{
	//关闭光驱
	//::mciSendString("set cdaudio door closed",NULL,0,0);	
	//打开光驱
	::mciSendString("set cdaudio door open",NULL,0,0);	
}

void CTestDlg::OnBnClickedBtnmemory()
{
	CString StrTotalMemory;
	CString StrUsedMemory;
	CString StrFreeMemory;
	CString StrInfo;
	MEMORYSTATUS MemStat;
	MemStat.dwLength=sizeof(MEMORYSTATUS);
	::GlobalMemoryStatus(&MemStat);
	StrTotalMemory.Format("系统总内存：%ld字节，大约等于: %ld M Byte\n",MemStat.dwTotalPhys,MemStat.dwTotalPhys/1024/1024);
	StrFreeMemory.Format("系统可用内存：%ld字节，大约等于: %ld M Byte\n",MemStat.dwAvailPhys,MemStat.dwAvailPhys/1024/1024);
	StrUsedMemory.Format("系统已用内存：%ld字节，大约等于: %ld M Byte\n",	MemStat.dwTotalPhys-MemStat.dwAvailPhys,
MemStat.dwTotalPhys/1024/1024-MemStat.dwAvailPhys/1024/1024);
	StrInfo+=StrTotalMemory+StrUsedMemory+StrFreeMemory;
	MessageBox(StrInfo,"信息提示",MB_OK);
}

void CTestDlg::OnBnClickedButton2()
{
	HKEY hKey;
	LPCTSTR KeyValue="NoDrives";
	DWORD Value=0;
	LPCTSTR StrKey="Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer";
	if (ERROR_SUCCESS==::RegOpenKeyEx(HKEY_CURRENT_USER,StrKey,NULL,KEY_ALL_ACCESS,&hKey))
	{
		if (ERROR_SUCCESS==::RegSetValueEx(hKey,(LPCTSTR)KeyValue,0,REG_BINARY,(BYTE *)&Value,sizeof(Value)))
			MessageBox("已经成功取消隐藏的驱动器，请注销计算机，查看设置结果","信息提示",MB_OK);
		::RegCloseKey(hKey);
	}
}