C#引入Win32API：常用Win32API

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
        );
    }
}
posted @ 2011-12-29 10:22 bdstjk 阅读(561) 评论(0) 编辑收藏举报
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C#引入Win32API：常用Win32API

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