使用RAPI库操作移动设备——C#怎麼將設備上的某個文件(\Temp)复制到PC(如C:盤)下,前提是如何利用RAPI库,急救!急救!

Question

大家好!   使用RAPI库操作移动设备——C#怎麼將設備上的某個文件(\Temp)复制到PC(如C:盤)下,前提是如何利用RAPI库,急救!急救!
   謝謝!!

Answer 1

找到解決答案了:
using System.Runtime.InteropServices;
using System.Runtime.ConstrainedExecution;
using System.Runtime.Serialization;public class PDA{
[DllImport("rapi.dll", CharSet = CharSet.Unicode, SetLastError = true)]
        internal static extern IntPtr CeCreateFile(
            string lpFileName,
            uint dwDesiredAccess,
            int dwShareMode,
            int lpSecurityAttributes,
            int dwCreationDisposition,
            int dwFlagsAndAttributes,
            int hTemplateFile);
        [DllImport("rapi.dll", CharSet = CharSet.Unicode, SetLastError = true)]
        internal static extern int CeReadFile(IntPtr hFile, byte[] lpBuffer, int nNumberOfbytesToRead, ref int lpNumberOfbytesRead, int lpOverlapped);        [DllImport("rapi.dll", CharSet = CharSet.Unicode)]
        internal static extern int CeCloseHandle(IntPtr hObject);         private const short CREATE_NEW = 1;
        private const short CREATE_ALWAYS = 2;
        private const uint GENERIC_WRITE = 0x40000000;
        private const uint GENERIC_READ = 0x80000000;
        private const short OPEN_EXISTING = 3;
        private const short FILE_ATTRIBUTE_NORMAL = 0x80;
        internal const int ERROR_NO_MORE_FILES = 18;
        private const short INVALID_HANDLE_VALUE = -1;
public const string UploadPath = "C:\\FPGMaterial\\UPLOAD\\";
//將遠程設備上的文件複製到PCs文件目錄下
        public void CopyFileFromDevice(string LocalFileName, string RemoteFileName, bool Overwrite)
        {
            FileStream localFile;
            IntPtr remoteFile = IntPtr.Zero;
            int bytesread = 0;
            int create = Overwrite ? CREATE_ALWAYS : CREATE_NEW;
            byte[] buffer = new byte[0x1000]; // 4k transfer buffer            // open the remote (device) file
            remoteFile = CeCreateFile(RemoteFileName, GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);            // check for success
            if ((int)remoteFile == INVALID_HANDLE_VALUE)
            {
                throw new Exception("不能打開遠程設備上的Material_Tx.xml文件");
            }            // create the local file
            localFile = new FileStream(LocalFileName, Overwrite ? FileMode.Create : FileMode.CreateNew, FileAccess.Write);            // read data from remote file into buffer
            CeReadFile(remoteFile, buffer, 0x1000, ref bytesread, 0);
            while (bytesread > 0)
            {
                // write it into local file
                localFile.Write(buffer, 0, bytesread);                // get more data
                if (!Convert.ToBoolean(CeReadFile(remoteFile, buffer, 0x1000, ref bytesread, 0)))
                {
                    CeCloseHandle(remoteFile);
                    localFile.Close();
                    throw new Exception("讀取遠程設備上的Material_Tx.xml文件失敗!");
                }
            }            // close the remote file
            CeCloseHandle(remoteFile);            localFile.Flush();            // close the local file
            localFile.Close();
        }}