using System;using System.Collections.Generic;using System.Text;using System.Runtime.InteropServices;  //这个肯定要的  namespace WindowsApplication1{    class win32API    {        public const int OPEN_PROCESS_ALL = 2035711;        public const int PAGE_READWRITE = 4;        public const int PROCESS_CREATE_THREAD = 2;        public const int PROCESS_HEAP_ENTRY_BUSY = 4;        public const int PROCESS_VM_OPERATION = 8;        public const int PROCESS_VM_READ = 256;        public const int PROCESS_VM_WRITE = 32;        private const int PAGE_EXECUTE_READWRITE = 0x4;        private const int MEM_COMMIT = 4096;        private const int MEM_RELEASE = 0x8000;        private const int MEM_DECOMMIT = 0x4000;        private const int PROCESS_ALL_ACCESS = 0x1F0FFF;                //查找窗体        [DllImport("User32.dll", EntryPoint = "FindWindow")]        public extern static IntPtr FindWindow(            string lpClassName,             string lpWindowName            );        //得到目标进程句柄的函数        [DllImport("USER32.DLL")]         public extern static int GetWindowThreadProcessId(            int hwnd,             ref int lpdwProcessId            );        [DllImport("USER32.DLL")]        public extern static int GetWindowThreadProcessId(            IntPtr hwnd,             ref int lpdwProcessId            );        //打开进程        [DllImport("kernel32.dll")]        public extern static int OpenProcess(            int dwDesiredAccess,             int bInheritHandle,             int dwProcessId            );        [DllImport("kernel32.dll")]        public extern static IntPtr OpenProcess(            uint dwDesiredAccess,             int bInheritHandle,             uint dwProcessId            );                //关闭句柄的函数        [DllImport("kernel32.dll", EntryPoint = "CloseHandle")]        public static extern int CloseHandle(            int hObject            );        //读内存        [DllImport("Kernel32.dll ")]        public static extern Int32 ReadProcessMemory(            IntPtr hProcess,            IntPtr lpBaseAddress,            [In, Out] byte[] buffer,            int size,            out IntPtr lpNumberOfBytesWritten            );        [DllImport("Kernel32.dll ")]        public static extern Int32 ReadProcessMemory(            int hProcess,            int lpBaseAddress,            ref int buffer,            //byte[] buffer,            int size,            int lpNumberOfBytesWritten            );        [DllImport("Kernel32.dll ")]        public static extern Int32 ReadProcessMemory(            int hProcess,            int lpBaseAddress,            byte[] buffer,            int size,            int lpNumberOfBytesWritten            );        //写内存        [DllImport("kernel32.dll")]        public static extern Int32 WriteProcessMemory(            IntPtr hProcess,            IntPtr lpBaseAddress,             [In, Out] byte[] buffer,             int size,             out IntPtr lpNumberOfBytesWritten            );        [DllImport("kernel32.dll")]        public static extern Int32 WriteProcessMemory(            int hProcess,             int lpBaseAddress,             byte[] buffer,             int size,             int lpNumberOfBytesWritten            );        //创建线程        [DllImport("kernel32", EntryPoint = "CreateRemoteThread")]        public static extern int CreateRemoteThread(            int hProcess,            int lpThreadAttributes,            int dwStackSize,            int lpStartAddress,            int lpParameter,            int dwCreationFlags,            ref int lpThreadId            );        //开辟指定进程的内存空间        [DllImport("Kernel32.dll")]        public static extern System.Int32 VirtualAllocEx(         System.IntPtr hProcess,         System.Int32 lpAddress,         System.Int32 dwSize,         System.Int16 flAllocationType,         System.Int16 flProtect         );        [DllImport("Kernel32.dll")]        public static extern System.Int32 VirtualAllocEx(        int hProcess,        int lpAddress,        int dwSize,        int flAllocationType,        int flProtect        );        //释放内存空间        [DllImport("Kernel32.dll")]        public static extern System.Int32 VirtualFreeEx(        int hProcess,        int lpAddress,        int dwSize,        int flAllocationType        );    }}