VC++之线程和进程之用邮槽实现进程间通信

1、一、创建应用工程1、创建单文档应用程序工程2、添加新单文档应用程序工程新建文件W|工作区|其它文档|,3ATLCOMAppWizardSSCIusterResourceTypeWizard量CustomAppWizardDatabaseProjeciDevSiudioAdd-inWizard'ExtendedStaredPrueWizardSISAPIExtensionWizardMakefile耨同FCActiveXControlWizard更MFCAppWIzaE则*-;MFCAppWiw&rdexeiJNewDatabaseWizard工程名称网:bhili位置回：I正加

2、丫PROJECTSVTh匕a广创尊新的工作空用;a（g河1号前工作锢直）'TFSTfnFlIFC国用程序向导-步骤6共6步二、编辑菜单项应用程序向导为您创建了以下类:CChildVicwCChildAppCMainFrameCChildDoc子工程名类名IS：/文件EFCChildVicw|ChildYic*,h基类内;执行文件一CViewjChildVkw.cpp1、编辑Thread工程之菜单项2、编辑Child工程之菜单项D：t. Threa(lThrea dView.h, D：V.ThreadThrcadVirmcppM&mber Variables | Automati

3、on | ActiveX EventsProject：Class name：CThreadVicwObject IDs：Messages:UPDATEC OMMAN DU IV OnDrawV OnEndPrintlng /V OnPfcparcPriftfing4蹩常规|扩展样式|中断回:国文件年）编辑 查看5 帮助（W/ThreadMember functions:进程间通信?”IDFILESAVE idZfilesaveas ID>E><f_P/NE id-prev2pane IDVIEWSTATUSBAI ID_VIEW-TOOLiBAEl标明灯分隔符固 r已复选ng

4、厂弹出 厂非活动 厂己变灰回厂帮助（D口 Siring Table LJloolbar,iVersion1DM SENDJ Child resources J Accelerator O Dialog _J Icon 63 Menug IDR MAINFRAMEa、为CThreadView类添加菜单消息响应函数b、为CChildView类添加菜单消息响应函数三、添加消息响应函数command1DM RECEIVEOnReceiveON IDM RECEIVEDOMMAND菜单忠百屋性MapsMemberVariables|Autnm3tion|ActiveXEventsProject;Cig寺

5、name;因而寸在而WiwD*,，Ctii；ldKhHdVicwhD：VMChildCtiildVicwxpp四、添加代码1、为CThreadView类添加消息响应函数代码oidCThreadView二OnReceive()/TODO:AddyourcommandhandlercodehereHANDLEmailslot;mailslot=CreateMailslot(".mailslotmymailslot”,0,MAILSLOT_WAIT_FOREVER,NULL);/仓U建邮槽if(INVALIDHANDLEVALUE=mailslot)MessageBox("Cre

6、atefail");CloseHandle(mailslot);return;charbuf100;DWORDdwread;Read);/读文件MessageBox(buf);CloseHandle(mailslot);2、为CChildView类添加消息响应函数代码oidCChildView:OnSend()/TODO:AddyourcommandhandlercodehereHANDLEmailslot;mailslot=CreateFile(".mailslotmymailslot",GENERIC_WRITE,);if(INVALID_HANDLE_VAL

7、UE=mailslot)MessageBox("Openfail");CloseHandle(mailslot);return;charbuf="你好,长江!”；DWORDdwwrite;Write(buf)+1,&dwwrite,NULL);CloseHandle(mailslot);"七、函数说明1、CreateMailslot()函数声明HANDLECreateMailslot(LPCTSTRlpName,DWORDnMaxMessageSize,DWORDReadTimeOut,LPSECURITYATTRIBUTESlpSecurity

8、Attributes)功能：创建一个邮槽。函数调用成功，返回邮槽旬柄；否贝返回INVALIDHANDLEVALUE2、CreateFile()函数声明HANDLECreateIpdwDwsiredAccess,DWORDdwShareMode,LPSECURITY_ATTRIBUTESlpSecurityAttributes,DWORDdwCreationDispostion,DWORDdwFlagsAndAttributes,HANDLEhTemplateFile)功能：创建或打开一个文件、通信资源、磁盘驱动器等。3、ReadFile()函数声明BOOLReadhlpBuffer,DWORDnNumberOfBytesRead,LPDWORDpNumberOfBytesRead,LPOVERLAPPEDlpOverlapped)功能：从一个文件中文件指针位置开始读取数据。成功，返回非零值；失败，返回零。4、WriteFile()函数声明BOOLW