C#读写内存操作方式

public class MemoryHelp    {        [DllImportAttribute("kernel32.dll", EntryPoint = "ReadProcessMemory")]        public static extern bool ReadProcessMemory        (            IntPtr lpProcess,            IntPtr lpBaseAddress,            IntPtr lpBuffer,            int nSize,            IntPtr BytesRead        );        //打开进程          //kernel32.dll系统动态链接库          [DllImportAttribute("kernel32.dll", EntryPoint = "OpenProcess")]        public static extern IntPtr OpenProcess        (            int iAccess,            bool Handle,            int ProcessID        );        //关闭句柄          [DllImport("kernel32.dll", EntryPoint = "CloseHandle")]        private static extern void CloseHandle        (            IntPtr hObject        );        //写内存          [DllImportAttribute("kernel32.dll", EntryPoint = "WriteProcessMemory")]        public static extern bool WriteProcessMemory        (            IntPtr lpProcess,            IntPtr lpBaseAddress,            int[] lpBuffer,            int nSize,            IntPtr BytesWrite        );        //写内存          [DllImportAttribute("kernel32.dll", EntryPoint = "WriteProcessMemory")]        public static extern bool WriteProcessMemory        (            IntPtr lpProcess,            IntPtr lpBaseAddress,            byte[] lpBuffer,            int nSize,            IntPtr BytesWrite        );        //GetModuleHandle是获取一个应用程序或动态链接库的模块句柄。          [DllImport("kernel32")]        public static extern IntPtr GetModuleHandle(string lpModuleName);        [DllImport("kernel32.dll", SetLastError = true)]        public static extern bool VirtualProtectEx        (            //修改内存的句柄              IntPtr hProcess,            //要修改的起始地址              IntPtr lpAddress,            //页区域大小              int dwSize,            //访问方式              int flNewProtect,            //用于保护改变前的保护属性              ref IntPtr lpflOldProtect        );        //根据进程名获取PID          public static int GetPidByProcessName(string processName)        {            Process[] ArrayProcess = Process.GetProcessesByName(processName);            foreach (Process pro in ArrayProcess)            {                return pro.Id;            }            return 0;        }        //读内存模块          public static IntPtr ReadModule(string ModuleName)        {            return GetModuleHandle(ModuleName);        }        //读取内存的值          public static int ReadMemoryValue(int baseAddress, string ProcessName)        {            try            {                byte[] buffer = new byte[4];                IntPtr byteAddress = Marshal.UnsafeAddrOfPinnedArrayElement(buffer, 0);                IntPtr hProcess = OpenProcess(0x1F0FFF, false, GetPidByProcessName(ProcessName));                ReadProcessMemory(hProcess, (IntPtr)baseAddress, byteAddress, 4, IntPtr.Zero);                CloseHandle(hProcess);                return Marshal.ReadInt32(byteAddress);            }            catch            {                return 0;            }        }        public static long ReadMemoryValue(long baseAddress, string ProcessName)        {            try            {                string temp = ((IntPtr)baseAddress).ToString("x");                byte[] buffer = new byte[4];                IntPtr byteAddress = Marshal.UnsafeAddrOfPinnedArrayElement(buffer, 0);                IntPtr hProcess = OpenProcess(0x1F0FFF, false, GetPidByProcessName(ProcessName));                ReadProcessMemory(hProcess, (IntPtr)baseAddress, byteAddress, 4, IntPtr.Zero);                CloseHandle(hProcess);                string ss = ((IntPtr)baseAddress).ToString("x");                return Marshal.ReadInt32(byteAddress);            }            catch            {                return 0;            }        }        #region 写内存方式          //写内存整数型          public static void WriteMemoryValue(long baseAddress, string ProcessName, int value)        {            //打开进程获得句柄            IntPtr hProcess = OpenProcess(0x1F0FFF, false, GetPidByProcessName(ProcessName));            bool flag;            int[] Data = new int[] { value };            flag = WriteProcessMemory(hProcess, (IntPtr)baseAddress, Data, 4, IntPtr.Zero);            CloseHandle(hProcess);        }        //写内存字节型          public static void WriteMemoryValue(int baseAddress, string ProcessName, byte[] value)        {            //打开进程获得句柄            IntPtr hProcess = OpenProcess(0x1F0FFF, false, GetPidByProcessName(ProcessName));            bool flag;            //bool flag2;            IntPtr adds = (IntPtr)0x33;            //flag2 = VirtualProtectEx(hProcess, (IntPtr)baseAddress, 4, 0x40, ref adds);            flag = WriteProcessMemory(hProcess, (IntPtr)baseAddress, value, value.Length, IntPtr.Zero);            string temp = ((IntPtr)baseAddress).ToString("x");            CloseHandle(hProcess);        }        #endregion    }