VC++ 进程间通信方法总结

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// LocalProcessDlg.cpp : 实现文件
//#include "stdafx.h"
#include "LocalProcess.h"
#include "LocalProcessDlg.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()// CLocalProcessDlg 对话框CLocalProcessDlg::CLocalProcessDlg(CWnd* pParent /*=NULL*/): CDialog(CLocalProcessDlg::IDD, pParent)
{m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}void CLocalProcessDlg::DoDataExchange(CDataExchange* pDX)
{CDialog::DoDataExchange(pDX);
}BEGIN_MESSAGE_MAP(CLocalProcessDlg, CDialog)ON_WM_SYSCOMMAND()ON_WM_PAINT()ON_WM_QUERYDRAGICON()//}}AFX_MSG_MAPON_BN_CLICKED(IDC_BTN_SEND, &CLocalProcessDlg::OnBnClickedBtnSend)ON_BN_CLICKED(IDC_BUTTON8, &CLocalProcessDlg::OnBnClickedButton8)ON_BN_CLICKED(IDC_BUTTON3, &CLocalProcessDlg::OnBnClickedButton3)ON_BN_CLICKED(IDC_BUTTON7, &CLocalProcessDlg::OnBnClickedButton7)ON_BN_CLICKED(IDC_BUTTON6, &CLocalProcessDlg::OnBnClickedButton6)ON_BN_CLICKED(IDC_BUTTON2, &CLocalProcessDlg::OnBnClickedButton2)ON_BN_CLICKED(IDC_BUTTON4, &CLocalProcessDlg::OnBnClickedButton4)ON_BN_CLICKED(IDC_BUTTON5, &CLocalProcessDlg::OnBnClickedButton5)ON_BN_CLICKED(IDC_BUTTON16, &CLocalProcessDlg::OnBnClickedButton16)ON_BN_CLICKED(IDC_BUTTON10, &CLocalProcessDlg::OnBnClickedButton10)ON_BN_CLICKED(IDC_BUTTON11, &CLocalProcessDlg::OnBnClickedButton11)ON_BN_CLICKED(IDC_BUTTON9, &CLocalProcessDlg::OnBnClickedButton9)ON_BN_CLICKED(IDC_BUTTON15, &CLocalProcessDlg::OnBnClickedButton15)ON_BN_CLICKED(IDC_BUTTON14, &CLocalProcessDlg::OnBnClickedButton14)
END_MESSAGE_MAP()// CLocalProcessDlg 消息处理程序BOOL CLocalProcessDlg::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){BOOL bNameValid;CString strAboutMenu;bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);ASSERT(bNameValid);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;  // 除非将焦点设置到控件，否则返回 TRUE
}void CLocalProcessDlg::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 CLocalProcessDlg::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);// 使图标在工作区矩形中居中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 CLocalProcessDlg::OnQueryDragIcon()
{return static_cast<HCURSOR>(m_hIcon);
}void CLocalProcessDlg::OnBnClickedBtnSend()
{// TODO: 在此添加控件通知处理程序代码HWND hWnd=::FindWindow(NULL,"TestProcess");if(hWnd!=NULL)   {   COPYDATASTRUCT   cpd;   /*给COPYDATASTRUCT结构赋值*/   cpd.dwData   =   0;          cpd.cbData   =   strlen("hello copy_data")+1;           cpd.lpData   =   (void*)"hello copy_data";           ::SendMessage(hWnd,WM_COPYDATA,NULL,(LPARAM)&cpd);//发送！          }
}//$文件映射-常用方式
void CLocalProcessDlg::FileMapping(void)
{//打开共享的文件对象。m_hMapFile = ::OpenFileMapping(FILE_MAP_ALL_ACCESS,   FALSE,_T("TestFileMap"));if (m_hMapFile){//显示共享的文件数据。LPTSTR lpMapAddr = (LPTSTR)MapViewOfFile(m_hMapFile,FILE_MAP_ALL_ACCESS,0,0,0);OutputDebugString(lpMapAddr);}else{//创建共享文件。m_hMapFile = ::CreateFileMapping((HANDLE)0xFFFFFFFF, NULL, PAGE_READWRITE, 0, 1024, "TestFileMap");//拷贝数据到共享文件里。LPTSTR lpMapAddr = (LPTSTR)MapViewOfFile(m_hMapFile,FILE_MAP_ALL_ACCESS,0,0,0);StrCpy(lpMapAddr,"hello file map");FlushViewOfFile(lpMapAddr,sizeof "hello file map");}
}//$共享内存-文件映射使用该方式实现
#define BUFFER_SIZE 1024
const UINT wm_nMemMsg=RegisterWindowMessage("mem_data");
void CLocalProcessDlg::OnBnClickedButton8()
{// TODO: 在此添加控件通知处理程序代码CWnd *pWnd=CWnd::FindWindow(NULL, _T("TestProcess"));  //查找Recieve进程if(pWnd==NULL){AfxMessageBox(_T("寻找接收消息窗口失败！"));return;}DWORD dwProcessID;                                           //获取进程号GetWindowThreadProcessId(pWnd->m_hWnd, (DWORD*)&dwProcessID);//HANDLE hProcess = OpenProcess (PROCESS_ALL_ACCESS,FALSE,PID);//为保证OpenProcess函数调用成功，用户所影响的进程必须由上述标志创建。HANDLE hProcess=OpenProcess(STANDARD_RIGHTS_REQUIRED|PROCESS_VM_READ|PROCESS_VM_WRITE|PROCESS_VM_OPERATION,//访问权限FALSE,//继承关系dwProcessID);//进程ID //分配虚拟内存LPVOID lpBaseAddress = VirtualAllocEx(hProcess, 0, BUFFER_SIZE,MEM_COMMIT, PAGE_READWRITE);char data[BUFFER_SIZE];strcpy(data,"hello memshare");//把字符串写入hProcess进程的内存WriteProcessMemory(hProcess, lpBaseAddress, data, BUFFER_SIZE, NULL);//发送基址给Recieve进程pWnd->SendMessage(wm_nMemMsg, NULL,(LPARAM)lpBaseAddress);Sleep(500);                        //等待接收程序接收数据VirtualFreeEx(hProcess,lpBaseAddress, 0, MEM_RELEASE); //释放虚拟内存
}void CLocalProcessDlg::OnBnClickedButton3()
{// TODO: 在此添加控件通知处理程序代码FileMapping();
}void CLocalProcessDlg::OnBnClickedButton7()
{// TODO: 在此添加控件通知处理程序代码HANDLE hPipe =CreateNamedPipe("\\\\.\\pipe\\MyPipe",PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,0,1,1024,1024,0,NULL);if(INVALID_HANDLE_VALUE==hPipe){AfxMessageBox("创建命名管道失败！");hPipe=NULL;return;}HANDLE hEvent;hEvent=CreateEvent(NULL,TRUE,FALSE,NULL);if(!hEvent){AfxMessageBox("创建事件对象失败！");CloseHandle(hPipe);hPipe=NULL;return;}OVERLAPPED ovlap;ZeroMemory(&ovlap,sizeof(OVERLAPPED));ovlap.hEvent=hEvent;if(!ConnectNamedPipe(hPipe,&ovlap)){if(ERROR_IO_PENDING!=GetLastError()){AfxMessageBox("等待客户端连接失败！");CloseHandle(hPipe);CloseHandle(hEvent);hPipe=NULL;return;}}if(WAIT_FAILED==WaitForSingleObject(hEvent,INFINITE)){AfxMessageBox("等待对象失败！");CloseHandle(hPipe);CloseHandle(hEvent);hPipe=NULL;return;}char * buf = "hello mypipe";DWORD dwWrite;if(!WriteFile(hPipe,buf,strlen(buf)+1,&dwWrite,NULL)){AfxMessageBox("写入数据失败！");return;}CloseHandle(hEvent);
}void CLocalProcessDlg::OnBnClickedButton6()
{// TODO: 在此添加控件通知处理程序代码if(OpenClipboard()){HANDLE hClip;char *pBuf;EmptyClipboard();CString strsend = "hello clipboard";hClip=GlobalAlloc(GMEM_MOVEABLE,strsend.GetLength()+1);pBuf=(char*)GlobalLock(hClip);       //将句柄转换为指针strcpy(pBuf,strsend);GlobalUnlock(hClip);SetClipboardData(CF_TEXT,hClip);CloseClipboard();}else{AfxMessageBox(_T("打开剪切板失败！"));}
}#include "../ShareDLL/ShareDLL.h"
#pragma comment(lib, "../Debug/ShareDLL.lib")void CLocalProcessDlg::OnBnClickedButton2()
{// TODO: 在此添加控件通知处理程序代码/*HMODULE hLib=LoadLibrary("..\\Debug\\Win32dll.dll");if(NULL==hLib){AfxMessageBox("LoadLibrary failed\n");return ;}*/char *strdata = "hello dll";SetData(strdata);
}void CLocalProcessDlg::OnBnClickedButton4()
{// TODO: 在此添加控件通知处理程序代码HANDLE  hRead,hWrite ;SECURITY_ATTRIBUTES sa={0};sa.bInheritHandle=TRUE ;sa.lpSecurityDescriptor=NULL ;sa.nLength=sizeof(SECURITY_ATTRIBUTES);::CreatePipe(&hRead,  //返回管读取句柄&hWrite,  //返回管道写句柄&sa,//SECURITY_ATTRIBUTES结构体指针 一定不能为NULL否则子进程不能继承返回的句柄0//管道的buffer大小 0表示默认大小) ; PROCESS_INFORMATION  pp={0};//接收进程信息STARTUPINFO si ={0};  //表示子进程如何显示si.cb=sizeof(STARTUPINFO) ;//大小//$设置STARTF_USESHOWWINDOW将无法通信成功si.dwFlags=/*STARTF_USESHOWWINDOW*/ STARTF_USESTDHANDLES ;//指定那些可用si.hStdInput=hRead ;//设置标准输入句柄 为管道读取句柄si.hStdOutput=hWrite ;//设置标准输出句柄为管道写句柄si.hStdError=::GetStdHandle(STD_ERROR_HANDLE) ;//调用函数获得标准错误句柄CreateProcess("RecvProcess.exe",//可执行模块的完整路径NULL ,//命令行参数NULL,//默认安全结构属性 NULLNULL,//同上TRUE,//子进程是否从Calling他的进程继承句柄0,//表示启动进程时的附加标记 这里我们只是创建一个进程设置为 0即可NULL,//表示新进程使用的内存块 NULL表示子进程使用父进程的内存块 NULL,//表示启动时子进程的路径名 如果为NULL表示子进程和父进程使用相同的路径名&si ,//表示子进程如何显示  还有为标准输入输出 标准错误句柄赋值为管道句柄&pp) ;//LPPROCESS_INFORMATION 结构体用来接收创建的子进程的信息char *buf = "hello nomanepipe";DWORD dwWrite;if(!WriteFile(hWrite,buf,strlen(buf)+1,&dwWrite,NULL)){AfxMessageBox("写入数据失败！");return;}
}void CLocalProcessDlg::OnBnClickedButton5()
{// TODO: 在此添加控件通知处理程序代码HANDLE Mailslot;DWORD BytesWritten;char szServerName[256];CString strMsg;if ((Mailslot = CreateFileA("\\\\.\\Mailslot\\Myslot",GENERIC_WRITE,FILE_SHARE_READ,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL)) == INVALID_HANDLE_VALUE){strMsg.Format("CreateFile failed with Error:%d\n",GetLastError());AfxMessageBox(strMsg);return ;}if (WriteFile(Mailslot,"hello mailslot", sizeof "hello mailslot",&BytesWritten,NULL) == 0){strMsg.Format("WriteFile with error:%d\n",GetLastError());AfxMessageBox(strMsg);return ;}
}void CLocalProcessDlg::OnBnClickedButton16()
{// C++有对soap协议的封装，gsoap网上资料很多，实例也很多，由于实现较麻烦，这里不再复述//1.由于 WebService 经由web服务器发布，所以比DCOM而言，可以顺利穿过防火墙。//  这也是 WebService 的优点之一，可以说， WebService ,为分布 式应用的开发，提供了一个很好的平台。//2.对 WebService 的调用，是通过SOAP协议进行的。//    简单对象访问协议(SOAP)提供了标准的远程过程调用(RPC)方法来调用Web service。 // 而SOAP也是基于XML和XSD的，XML是SOAP的数据编码方式,因此，对 WebService 的调用也可以是跨平台的。
}//#include "CGlobalFunc.h"
void CLocalProcessDlg::OnBnClickedButton10()
{// 通过ole技术，com组件思想，实现ActiveX控件，具体参考ActiveX控件使用实例// 先用atl做一个com组件，引入头文件，然后就可以远程调用com组件中的方法了// 下面是调用远程方法的代码/*try{IGlobalFunc *pAccount = NULL;IUnknown *pUnknown;HRESULT hr;CoInitialize(NULL);//初始化COM环境 hr = CoInitializeSecurity(NULL, //Points to security descriptor -1, //Count of entries in asAuthSvc NULL, //Array of names to register NULL, //Reserved for future use RPC_C_AUTHN_LEVEL_DEFAULT, //The default authentication level for proxies RPC_C_IMP_LEVEL_IDENTIFY, //The default impersonation level for proxies NULL, //Reserved; must be set to NULL 0, //Additional client or server-side capabilities NULL //Reserved for future use ); COAUTHINFO sAuthInfo;sAuthInfo.dwAuthnSvc = RPC_C_AUTHN_DEFAULT;sAuthInfo.dwAuthnLevel = RPC_C_AUTHN_LEVEL_DEFAULT;//sAuthInfo.dwAuthzSvc = RPC_C_AUTHZ_DEFAULT;sAuthInfo.dwAuthzSvc = RPC_C_AUTHZ_NONE;// sAuthInfo.dwCapabilities = EOAC_NONE;//must be sAuthInfo.dwImpersonationLevel = RPC_C_IMP_LEVEL_IMPERSONATE;//must be sAuthInfo.pwszServerPrincName = NULL;sAuthInfo.pAuthIdentityData = (COAUTHIDENTITY*)malloc(sizeof(COAUTHIDENTITY));sAuthInfo.pAuthIdentityData->User = (USHORT *)L"Administrator" ;//访问远程对象所在主机的用户名，宽字符串sAuthInfo.pAuthIdentityData->UserLength =sizeof("Administrator"); //用户名的字符长度sAuthInfo.pAuthIdentityData->Password = (USHORT *)L"123456" ;//密码，宽字符串sAuthInfo.pAuthIdentityData->PasswordLength = 6; //密码长度sAuthInfo.pAuthIdentityData->Domain = NULL;  //远程主机的域，如果没有域则设置为NULLsAuthInfo.pAuthIdentityData->DomainLength = 0;//域名长度sAuthInfo.pAuthIdentityData->Flags = SEC_WINNT_AUTH_IDENTITY_UNICODE; COSERVERINFO serverInfo;memset(&serverInfo, 0, sizeof(COSERVERINFO));serverInfo.pwszName = L"192.168.1.37";  //远程主机的名称serverInfo.pAuthInfo = &sAuthInfo;MULTI_QI qi;memset(&qi, 0, sizeof(MULTI_QI));qi.pIID = &IID_IUnknown;CLSID CLSID_InsideCOM ={0x5E81CE1B,0x7A39,0x4420,{0x80,0xF7,0x72,0x80,0xDA,0x74,0x38,0x67}};const IID IID_IAccount={0x1E57C7D0,0x25E3,0x42EE,{0xB5,0xD1,0xFC,0xCF,0x8E,0xA6,0x70,0x2B}};hr=CoCreateInstanceEx(CLSID_InsideCOM,NULL,CLSCTX_REMOTE_SERVER,&serverInfo,1,&qi); pUnknown = (IUnknown *) qi.pItf;//对接口设置代理权限hr=CoSetProxyBlanket(pUnknown , sAuthInfo.dwAuthnSvc, sAuthInfo.dwAuthzSvc, sAuthInfo.pwszServerPrincName, sAuthInfo.dwAuthnLevel, sAuthInfo.dwImpersonationLevel, sAuthInfo.pAuthIdentityData, sAuthInfo.dwCapabilities);hr = pUnknown->QueryInterface(IID_IAccount,(void**)&pAccount);//hr=CoSetProxyBlanket((IUnknown *)pAccount,sAuthInfo.dwAuthnSvc, sAuthInfo.dwAuthzSvc, sAuthInfo.pwszServerPrincName, //sAuthInfo.dwAuthnLevel, sAuthInfo.dwImpersonationLevel, sAuthInfo.pAuthIdentityData, sAuthInfo.dwCapabilities);//pAccount->GetADORecordset();BSTR bstrRet = pAccount->Time2Str(_bstr_t(L"2013-09-16 00:01:02"));AfxMessageBox(COLE2T(bstrRet));pUnknown->Release();}catch (_com_error e){AfxMessageBox(e.Description());}*/
}void CLocalProcessDlg::OnBnClickedButton11()
{// windows 有rpc的自持库 rpcrt4.lib，Linux下也可以自己实现
}void CLocalProcessDlg::OnBnClickedButton9()
{// 动态数据交换技术，貌似现在用的比较少
}void CLocalProcessDlg::OnBnClickedButton15()
{// 通过共享一个中间数据库，实现不同进程读写通信
}void CLocalProcessDlg::OnBnClickedButton14()
{// 通过对中间文件的访问，如XML文件，txt文件，设置读写标志位
}

接收进程：

// TestProcessDlg.cpp : 实现文件
//#include "stdafx.h"
#include "TestProcess.h"
#include "TestProcessDlg.h"#ifdef _DEBUG
#define new DEBUG_NEW
#endifconst UINT wm_nMemMsg=RegisterWindowMessage("mem_data");// 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()// CTestProcessDlg 对话框CTestProcessDlg::CTestProcessDlg(CWnd* pParent /*=NULL*/): CDialog(CTestProcessDlg::IDD, pParent)
{m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}void CTestProcessDlg::DoDataExchange(CDataExchange* pDX)
{CDialog::DoDataExchange(pDX);
}BEGIN_MESSAGE_MAP(CTestProcessDlg, CDialog)ON_WM_SYSCOMMAND()ON_WM_PAINT()ON_WM_QUERYDRAGICON()//}}AFX_MSG_MAPON_WM_COPYDATA()ON_REGISTERED_MESSAGE(wm_nMemMsg,OnRegMemMsg)ON_BN_CLICKED(IDC_BTN_READ, &CTestProcessDlg::OnBnClickedBtnRead)ON_BN_CLICKED(IDC_BUTTON1, &CTestProcessDlg::OnBnClickedButton1)ON_BN_CLICKED(IDC_BUTTON2, &CTestProcessDlg::OnBnClickedButton2)ON_BN_CLICKED(IDC_BUTTON3, &CTestProcessDlg::OnBnClickedButton3)ON_BN_CLICKED(IDC_BUTTON4, &CTestProcessDlg::OnBnClickedButton4)ON_BN_CLICKED(IDC_BUTTON5, &CTestProcessDlg::OnBnClickedButton5)
END_MESSAGE_MAP()// CTestProcessDlg 消息处理程序BOOL CTestProcessDlg::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){BOOL bNameValid;CString strAboutMenu;bNameValid = strAboutMenu.LoadString(IDS_ABOUTBOX);ASSERT(bNameValid);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;  // 除非将焦点设置到控件，否则返回 TRUE
}void CTestProcessDlg::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 CTestProcessDlg::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);// 使图标在工作区矩形中居中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 CTestProcessDlg::OnQueryDragIcon()
{return static_cast<HCURSOR>(m_hIcon);
}BOOL CTestProcessDlg::OnCopyData(CWnd* pWnd, COPYDATASTRUCT* pCopyDataStruct)
{// TODO: 在此添加消息处理程序代码和/或调用默认值AfxMessageBox((LPCSTR)(pCopyDataStruct->lpData));/*利用对话框表示收到消息*/  return CDialog::OnCopyData(pWnd, pCopyDataStruct);
}void CTestProcessDlg::OnBnClickedBtnRead()
{// TODO: 在此添加控件通知处理程序代码HANDLE hMapFile = ::OpenFileMapping(FILE_MAP_ALL_ACCESS,   FALSE,_T("TestFileMap"));if (hMapFile){//显示共享的文件数据。LPTSTR lpMapAddr = (LPTSTR)MapViewOfFile(hMapFile,FILE_MAP_ALL_ACCESS,0,0,0);AfxMessageBox(lpMapAddr);}
}#define BUFFER_SIZE 1024
char data[BUFFER_SIZE]; //不能为局部，否则发送到调用后释放会出现空指针
LRESULT CTestProcessDlg::OnRegMemMsg(WPARAM wParam,LPARAM lParam)
{//TODO: 在此添加控件通知处理程序代码LPVOID lpBaseAddress=(LPVOID)lParam;HANDLE hProcess=GetCurrentProcess(); //把字符串写入hProcess进程的内存SIZE_T cbNumOfBytes;ReadProcessMemory(hProcess, lpBaseAddress, data, BUFFER_SIZE, &cbNumOfBytes);data[cbNumOfBytes]='\0';AfxMessageBox(data);return 0;}
void CTestProcessDlg::OnBnClickedButton1()
{// TODO: 在此添加控件通知处理程序代码if(!WaitNamedPipe(_T("\\\\.\\pipe\\MyPipe"),NMPWAIT_WAIT_FOREVER)){AfxMessageBox(_T("当前没有可利用的命名管道实例！"));return;}// 打开已存在管道HANDLE hPipe=CreateFile(_T("\\\\.\\pipe\\MyPipe"),GENERIC_READ | GENERIC_WRITE,0,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);if(INVALID_HANDLE_VALUE==hPipe){AfxMessageBox(_T("打开命名管道失败！"));hPipe=NULL;return;}char buf[100];DWORD dwRead;if(!ReadFile(hPipe,buf,100,&dwRead,NULL)){AfxMessageBox(_T("读取数据失败！"));return;}buf[dwRead] = '\0';AfxMessageBox(buf);
}void CTestProcessDlg::OnBnClickedButton2()
{// TODO: 在此添加控件通知处理程序代码if(OpenClipboard()){if(IsClipboardFormatAvailable(CF_TEXT)){HANDLE hClip;char *pBuf;hClip=GetClipboardData(CF_TEXT);pBuf=(char*)GlobalLock(hClip);GlobalUnlock(hClip);AfxMessageBox(pBuf);CloseClipboard();}}else{AfxMessageBox(_T("打开剪切板失败！"));}
}#include "../ShareDLL/ShareDLL.h"
#pragma comment(lib, "../Debug/ShareDLL.lib")
void CTestProcessDlg::OnBnClickedButton3()
{// TODO: 在此添加控件通知处理程序代码/*HMODULE hLib=LoadLibrary("..\\Debug\\Win32dll.dll");if(NULL==hLib){AfxMessageBox("LoadLibrary failed\n");return ;}*/char buff[1024];GetData(buff);AfxMessageBox(buff);
}void CTestProcessDlg::OnBnClickedButton4()
{// TODO: 在此添加控件通知处理程序代码HANDLE  hRead=::GetStdHandle(STD_INPUT_HANDLE) ;char buf[100] ="";DWORD len ; ::ReadFile(hRead,buf,100,&len,NULL) ;buf[len]='\0';AfxMessageBox(buf);
}void CTestProcessDlg::OnBnClickedButton5()
{// 邮件槽只支持单向数据传输，也就是服务器只能接收数据，而客户端只能发送数据，// 服务端就是创建邮槽的那一端，而客户端就是已存在的邮件槽的那一端。HANDLE Mailslot;char Buffer[256];DWORD NumberOfBytesRead;CString strMsg;if ((Mailslot = CreateMailslotA("\\\\.\\Mailslot\\Myslot",0,MAILSLOT_WAIT_FOREVER,NULL)) == INVALID_HANDLE_VALUE){strMsg.Format("Failed to Create a mailslot %d\n",GetLastError());AfxMessageBox(strMsg);return ;}if (ReadFile(Mailslot,Buffer,256,&NumberOfBytesRead,NULL) != 0){strMsg.Format("%.*s\n",NumberOfBytesRead,Buffer);AfxMessageBox(strMsg);}Buffer[NumberOfBytesRead]='\0';AfxMessageBox(Buffer);
}

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