轉(zhuǎn)載請注明出處：http://blog.csdn.net/xiaoy_h/article/details/26090277

廢話不多說，IPC就是進(jìn)程間通信。

進(jìn)程間通信能夠採用的方法非常多，比方創(chuàng)建port后採用組播技術(shù)進(jìn)行握手連接，這里要講到的就是通過內(nèi)存文件映射的方法實現(xiàn)。

先在項目中加入相關(guān)API函數(shù)：

[DllImport("kernel32.dll", EntryPoint = "OpenFileMapping", SetLastError = true, CharSet = CharSet.Auto)]private static extern IntPtr OpenFileMapping(uint dwDesiredAccess, bool bInheritHandle, String lpName);[DllImport("Kernel32.dll")]private static extern IntPtr MapViewOfFile(IntPtr hFileMappingObject, uint dwDesiredAccess, uint dwFileOffsetHigh, uint dwFileOffsetLow, uint dwNumberOfBytesToMap);[DllImport("Kernel32.dll", EntryPoint = "UnmapViewOfFile", SetLastError = true, CharSet = CharSet.Auto)]private static extern bool UnmapViewOfFile(IntPtr lpBaseAddress);[DllImport("kernel32.dll", EntryPoint = "CloseHandle", SetLastError = true, CharSet = CharSet.Auto)]private static extern bool CloseHandle(IntPtr hHandle);[DllImport("Kernel32.dll", EntryPoint = "CreateFileMapping", SetLastError = true, CharSet = CharSet.Auto)]private static extern IntPtr CreateFileMapping(uint hFile, IntPtr lpAttributes, uint flProtect, uint dwMaximumSizeHigh, uint dwMaximumSizeLow, string lpName);然后在共享端加入代碼：

string shareName = "XiaoY_H的內(nèi)存共享";char[] myShrCntnt="共享內(nèi)存passwordFuck985211".ToCharArray();IntPtr hMapFile = CreateFileMapping(INVALID_HANDLE_VALUE, IntPtr.Zero, PAGE_READWRITE, 0, 256, shareName);IntPtr pBuf = MapViewOfFile(hMapFile, FILE_MAP_ALL_ACCESS, 0, 0, 256);Marshal.Copy(myShrCntnt, 0, pBuf, myShrCntnt.Length);Console.WriteLine("共享內(nèi)存建立完成,它就在這兒:IntPtr->{0:G}",pBuf.ToInt32());Console.ReadKey();UnmapViewOfFile(pBuf);CloseHandle(hMapFile); 在被共享端加入代碼：

string shareName = "XiaoY_H的內(nèi)存共享";IntPtr hMapFile = OpenFileMapping(FILE_MAP_ALL_ACCESS, false, shareName);if (hMapFile==IntPtr.Zero){Console.WriteLine("Null MapFile!");return;}IntPtr pBuf = MapViewOfFile(hMapFile, FILE_MAP_ALL_ACCESS, 0, 0, 256);if (pBuf==IntPtr.Zero){Console.WriteLine("Null Buffer!");return;}Console.WriteLine("共享內(nèi)存數(shù)據(jù)：" + Marshal.PtrToStringUni(pBuf));Console.ReadKey();UnmapViewOfFile(pBuf);CloseHandle(hMapFile);

轉(zhuǎn)載于:https://www.cnblogs.com/mengfanrong/p/4020504.html

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