操作内存的帮助类

public abstract class Helper
    {
        [DllImportAttribute("kernel32.dll", EntryPoint = "ReadProcessMemory")]
        public static extern bool ReadProcessMemory
            (
                IntPtr hProcess,
                IntPtr lpBaseAddress,
                int[] data,
                int nSize,
                IntPtr lpNumberOfBytesRead
            );

        [DllImportAttribute("kernel32.dll", EntryPoint = "ReadProcessMemory")]
        public static extern bool ReadProcessMemory
            (
                IntPtr hProcess,
                IntPtr lpBaseAddress,
                byte[] data,
                int nSize,
                IntPtr lpNumberOfBytesRead
            );

        [DllImportAttribute("kernel32.dll", EntryPoint = "OpenProcess")]
        public static extern IntPtr OpenProcess
            (
                int dwDesiredAccess,
                bool bInheritHandle,
                int dwProcessId
            );

        [DllImport("kernel32.dll")]
        private static extern void CloseHandle
            (
                IntPtr hObject
            );

        //写内存
        [DllImportAttribute("kernel32.dll", EntryPoint = "WriteProcessMemory")]
        public static extern bool WriteProcessMemory
            (
                IntPtr hProcess,
                IntPtr lpBaseAddress,
                int[] lpBuffer,
                int nSize,
                IntPtr lpNumberOfBytesWritten
            );

        [DllImport("user32.DLL")]
        public static extern bool SetForegroundWindow(IntPtr hWnd);

        //获取窗体的进程标识ID
        public static int GetPid(string windowTitle)
        {
            int rs = 0;
            Process[] arrayProcess = Process.GetProcesses();
            foreach (Process p in arrayProcess)
            {
                if (p.MainWindowTitle.IndexOf(windowTitle) != -1)
                {
                    rs = p.Id;
                    break;
                }
            }

            return rs;
        }

        //根据进程名获取PID
        public static int GetPidByProcessName(string processName)
        {
            Process[] arrayProcess = Process.GetProcessesByName(processName);

            foreach (Process p in arrayProcess)
            {
                return p.Id;
            }
            return 0;
        }

        //根据进程名获取句柄
        public static IntPtr FindWindow(string processName)
        {
            Process[] arrayProcess = Process.GetProcessesByName(processName);

            foreach (Process p in arrayProcess)
            {
                return p.MainWindowHandle;
            }
            return IntPtr.Zero;
        }


        /*
        //根据窗体标题查找窗口句柄（支持模糊匹配）
        public static IntPtr FindWindow(string title)
        {
            Process[] ps = Process.GetProcesses();
            foreach (Process p in ps)
            {
                if (p.MainWindowTitle.IndexOf(title) != -1)
                {
                    return p.MainWindowHandle;
                }
            }
            return IntPtr.Zero;
        }
         * 
         */

        //读取内存中的值
        public static int ReadMemoryValue(int baseAddress, string processName)
        {
            try
            {
                //byte[] buffer = new byte[1];
                //IntPtr byteAddress = Marshal.UnsafeAddrOfPinnedArrayElement(buffer, 0); //获取缓冲区地址
                int[] addr = new int[1];
                byte[] temp = System.BitConverter.GetBytes(baseAddress);
                IntPtr hProcess = OpenProcess(0x1F0FFF, false, GetPidByProcessName(processName));
                ReadProcessMemory(hProcess, (IntPtr)baseAddress, addr, 4, IntPtr.Zero); //将制定内存中的值读入缓冲区
                CloseHandle(hProcess);
                //return BitConverter.ToInt32(buffer,0);
                return addr[0];
            }
            catch
            {
                return 0;
            }
        }

        public static string ReadMemoryString(int baseAddress, string processName)
        {
            try
            {
                byte[] buffer = new byte[256];
                IntPtr byteAddress = Marshal.UnsafeAddrOfPinnedArrayElement(buffer, 0); //获取缓冲区地址
                byte[] buf = new byte[256];
                IntPtr hProcess = OpenProcess(0x1F0FFF, false, GetPidByProcessName(processName));
                ReadProcessMemory(hProcess, (IntPtr)baseAddress, buf, 256, IntPtr.Zero); //将制定内存中的值读入缓冲区
                string temp = System.Text.Encoding.Default.GetString(buf);
                string[] str = temp.Split('\0');
                CloseHandle(hProcess);

                return str[0];
            }
            catch
            {
                return "";
            }
        }

        

        //将值写入指定内存地址中
        public static void WriteMemoryValue(int baseAddress, string processName, int value)
        {
            IntPtr hProcess = OpenProcess(0x1F0FFF, false, GetPidByProcessName(processName)); //0x1F0FFF 最高权限
            WriteProcessMemory(hProcess, (IntPtr)baseAddress, new int[] { value }, 4, IntPtr.Zero);
            CloseHandle(hProcess);
        }

        internal static void Sleep(int p)
        {
            throw new NotImplementedException();
        }
    }