本文介绍了使用unrar.dll的RARProcessFile提取文件不起作用.的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
大家好，有很多问题.我必须解压缩文件并解压缩一些文件.
Hello Everybody, Having a big of a problem. I have to unrar a file and extract some files.
class Unrar
{
public const int ERAR_END_ARCHIVE = 10;
public const int ERAR_NO_MEMORY = 11;
public const int ERAR_BAD_DATA = 12;
public const int ERAR_BAD_ARCHIVE = 13;
public const int ERAR_UNKNOWN_FORMAT = 14;
public const int ERAR_EOPEN = 15;
public const int ERAR_ECREATE = 16;
public const int ERAR_ECLOSE = 17;
public const int ERAR_EREAD = 18;
public const int ERAR_EWRITE = 19;
public const int ERAR_SMALL_BUF = 20;
public const int RAR_OM_LIST = 0;
public const int RAR_OM_EXTRACT = 1;
public const int RAR_SKIP = 0;
public const int RAR_TEST = 1;
public const int RAR_EXTRACT = 2;
public const int RAR_VOL_ASK = 0;
public const int RAR_VOL_NOTIFY = 1;
public enum RarOperations
{
OP_EXTRACT = 0,
OP_TEST = 1,
OP_LIST = 2
}
public struct RARHeaderData
{
public string ArcName;
public string FileName;
public uint Flags;
public uint PackSize;
public uint UnpSize;
public uint HostOS;
public uint FileCRC;
public uint FileTime;
public uint UnpVer;
public uint Method;
public uint FileAttr;
public string CmtBuf;
public uint CmtBufSize;
public uint CmtSize;
public uint CmtState;
}
public struct RAROpenArchiveData
{
public string ArcName;
public uint OpenMode;
public uint OpenResult;
public string CmtBuf;
public uint CmtBufSize;
public uint CmtSize;
public uint CmtState;
}
public struct RAROpenArchiveDataEx
{
public string ArcName;
public string ArcNameW;
public uint OpenMode;
public uint OpenResult;
public string CmtBuf;
public uint CmtBufSize;
public uint CmtSize;
public uint CmtState;
public uint Flags;
public uint Reserved;
}
public struct RARHeaderDataEx
{
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
public string ArcName;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
public string FileName;
public string FileNameW;
public uint Flags;
public uint PackSize;
public uint PackSizeHigh;
public uint UnpSize;
public uint UnpSizeHigh;
public uint HostOS;
public uint FileCRC;
public uint FileTime;
public uint UnpVer;
public uint Method;
public uint FileAttr;
public string CmtBuf;
public uint CmtBufSize;
public uint CmtSize;
public uint CmtState;
public uint Reserved;
};
[DllImportAttribute("unrar.dll")]
public static extern IntPtr RAROpenArchive(ref RAROpenArchiveData ArchiveData);
[DllImportAttribute("unrar.dll")]
public static extern int RARCloseArchive(IntPtr hArcData);
[DllImportAttribute("unrar.dll")]
public static extern int RARReadHeader(IntPtr hArcData, ref RARHeaderData HeaderData);
[DllImportAttribute("unrar.dll")]
public static extern IntPtr RAROpenArchiveEx(ref RAROpenArchiveDataEx ArchiveData);
[DllImportAttribute("unrar.dll")]
public static extern int RARReadHeaderEx(IntPtr hArcData, ref RARHeaderDataEx HeaderData);
[DllImportAttribute("unrar.dll")]
public static extern int RARProcessFile(IntPtr hArcData, int Operation, string DestPath, string DestName);
[DllImportAttribute("unrar.dll")]
public static extern int RARGetDllVersion();
public void ExtractArchive(string strFileName)
{
IntPtr lHandle;
int iStatus;
RARHeaderData uHeader = new RARHeaderData();
RAROpenArchiveData uRAR = new RAROpenArchiveData();
uRAR.ArcName = strFileName + "\0";
uRAR.OpenMode = RAR_OM_EXTRACT;
uRAR.CmtBuf = string.Empty.PadLeft(16384, '' '');
uRAR.CmtBufSize = 16384;
lHandle = RAROpenArchive(ref uRAR);
if(uRAR.OpenResult != 0)
MessageBox.Show("Unable to open the Archieve!!!");
int result = RARProcessFile(lHandle, RAR_EXTRACT, null, null);
if (0 != result)
MessageBox.Show("Unable to open the Archieve!!!");
iStatus = RARCloseArchive(lHandle);
}
一切正常.调用RARProcessFile中的ExtractArchive时，该函数返回成功，但不会提取任何文件.
请帮忙!!!
为了参考unrar.dll，我使用了以下链接 http://goahomepage.free.fr/article/2000_09_17_unrar_dll/UnRARDLL.html#RARProcessFile [ ^ ]
在此先感谢:-)
将内联代码转换为代码块，链接链接化"-OriginalGriff [/edit]
Every thing works fine. When ExtractArchive in RARProcessFile is called, the function returns a success but it does not extract any file.
Please help!!!
For reference on unrar.dll, I used the following link http://goahomepage.free.fr/article/2000_09_17_unrar_dll/UnRARDLL.html#RARProcessFile[^]
Thanks in Advance :-)
[edit]Inline code converted to code block, Link "Linkified" - OriginalGriff[/edit]
推荐答案
<br />
using System;<br />
using System.Collections.Generic;<br />
using System.ComponentModel;<br />
using System.Data;<br />
using System.Drawing;<br />
using System.Linq;<br />
using System.Text;<br />
using System.Windows.Forms;<br />
using System.Runtime.InteropServices;<br />
using System.IO;<br />
namespace UnrarSample<br />
{<br />
public partial class UnrarSample : Form<br />
{<br />
public UnrarSample()<br />
{<br />
InitializeComponent();<br />
}<br />
private void btn_Browse_Click(object sender, EventArgs e)<br />
{<br />
OpenFileDialog objFileDialog = new OpenFileDialog();<br />
objFileDialog.Filter = objFileDialog.Filter = "Rar files (*.rar)|*.rar";<br />
if (DialogResult.OK == objFileDialog.ShowDialog())<br />
{<br />
txtFileName.Text = objFileDialog.FileName;<br />
<br />
}<br />
}<br />
private void btn_Unrar_Click(object sender, EventArgs e)<br />
{<br />
Unrar unrar = new Unrar();<br />
unrar.OpenArchieve(txtFileName.Text);<br />
}<br />
}<br />
class Unrar<br />
{<br />
public const int ERAR_END_ARCHIVE = 10;<br />
public const int ERAR_NO_MEMORY = 11;<br />
public const int ERAR_BAD_DATA = 12;<br />
public const int ERAR_BAD_ARCHIVE = 13;<br />
public const int ERAR_UNKNOWN_FORMAT = 14;<br />
public const int ERAR_EOPEN = 15;<br />
public const int ERAR_ECREATE = 16;<br />
public const int ERAR_ECLOSE = 17;<br />
public const int ERAR_EREAD = 18;<br />
public const int ERAR_EWRITE = 19;<br />
public const int ERAR_SMALL_BUF = 20;<br />
public const int RAR_OM_LIST = 0;<br />
public const int RAR_OM_EXTRACT = 1;<br />
public const int RAR_SKIP = 0;<br />
public const int RAR_TEST = 1;<br />
public const int RAR_EXTRACT = 2;<br />
public const int RAR_VOL_ASK = 0;<br />
public const int RAR_VOL_NOTIFY = 1;<br />
public enum RarOperations<br />
{<br />
OP_EXTRACT = 0,<br />
OP_TEST = 1,<br />
OP_LIST = 2<br />
}<br />
[StructLayout(LayoutKind.Sequential)]<br />
public struct RARHeaderData<br />
{<br />
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]<br />
public string ArcName;<br />
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]<br />
public string FileName;<br />
public uint Flags;<br />
public uint PackSize;<br />
public uint UnpSize;<br />
public uint HostOS;<br />
public uint FileCRC;<br />
public uint FileTime;<br />
public uint UnpVer;<br />
public uint Method;<br />
public uint FileAttr;<br />
public string CmtBuf;<br />
public uint CmtBufSize;<br />
public uint CmtSize;<br />
public uint CmtState;<br />
}<br />
[StructLayout(LayoutKind.Sequential)]<br />
public struct RAROpenArchiveData<br />
{<br />
public string ArcName;<br />
public uint OpenMode;<br />
public uint OpenResult;<br />
public string CmtBuf;<br />
public uint CmtBufSize;<br />
public uint CmtSize;<br />
public uint CmtState;<br />
}<br />
[StructLayout(LayoutKind.Sequential)]<br />
public struct RAROpenArchiveDataEx<br />
{<br />
public string ArcName;<br />
public string ArcNameW;<br />
public uint OpenMode;<br />
public uint OpenResult;<br />
public string CmtBuf;<br />
public uint CmtBufSize;<br />
public uint CmtSize;<br />
public uint CmtState;<br />
public uint Flags;<br />
public uint Reserved;<br />
}<br />
[StructLayout(LayoutKind.Sequential)]<br />
public struct RARHeaderDataEx<br />
{<br />
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]<br />
public string ArcName;<br />
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]<br />
public string FileName;<br />
public string FileNameW;<br />
public uint Flags;<br />
public uint PackSize;<br />
public uint PackSizeHigh;<br />
public uint UnpSize;<br />
public uint UnpSizeHigh;<br />
public uint HostOS;<br />
public uint FileCRC;<br />
public uint FileTime;<br />
public uint UnpVer;<br />
public uint Method;<br />
public uint FileAttr;<br />
public string CmtBuf;<br />
public uint CmtBufSize;<br />
public uint CmtSize;<br />
public uint CmtState;<br />
public uint Reserved;<br />
};<br />
[DllImportAttribute("unrar.dll")]<br />
public static extern IntPtr RAROpenArchive(ref RAROpenArchiveData ArchiveData);<br />
[DllImportAttribute("unrar.dll")]<br />
public static extern int RARCloseArchive(IntPtr hArcData);<br />
[DllImportAttribute("unrar.dll")]<br />
public static extern int RARReadHeader(IntPtr hArcData, ref RARHeaderData HeaderData);<br />
[DllImportAttribute("unrar.dll")]<br />
public static extern IntPtr RAROpenArchiveEx(ref RAROpenArchiveDataEx ArchiveData);<br />
[DllImportAttribute("unrar.dll")]<br />
public static extern int RARReadHeaderEx(IntPtr hArcData, ref RARHeaderDataEx HeaderData);<br />
[DllImportAttribute("unrar.dll")]<br />
public static extern int RARProcessFile(IntPtr hArcData, int Operation, string DestPath, string DestName);<br />
[DllImportAttribute("unrar.dll")]<br />
public static extern int RARGetDllVersion();<br />
[DllImport("user32.dll")]<br />
static extern bool CharToOem(string lpszSrc, [Out] StringBuilder lpszDst);<br />
<br />
public void OpenArchieve(string strFileName)<br />
{<br />
IntPtr lHandle;<br />
int iStatus;<br />
RAROpenArchiveData uRAR = new RAROpenArchiveData();<br />
RARHeaderData uHeader = new RARHeaderData();<br />
uRAR.ArcName = strFileName + char.MinValue;<br />
uRAR.OpenMode = RAR_OM_EXTRACT;<br />
uRAR.CmtBuf = null;<br />
<br />
string ExtractDir = Path.GetDirectoryName(strFileName);<br />
StringBuilder sbDir = new StringBuilder();<br />
CharToOem("C:\\Documents and Settings\\Administrator\\Desktop\\New Folder", sbDir); <br />
lHandle = RAROpenArchive(ref uRAR);<br />
if(uRAR.OpenResult != 0)<br />
MessageBox.Show("Unable to open the Archieve!!!");<br />
while (RARReadHeader(lHandle, ref uHeader) == 0)<br />
{<br />
int result = RARProcessFile(lHandle, 2, sbDir.ToString(), null);<br />
if (0 != result)<br />
MessageBox.Show("Unable to open the Archieve!!!");<br />
}<br />
<br />
<br />
iStatus = RARCloseArchive(lHandle);<br />
}<br />
}<br />
}<br />
可能尚未优化...但是至少可以正常使用... :-)
感谢观众
干杯！！！
This might not be optimized... But At least it is working... :-)
Thanks Viewers
CHEERS!!!
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