public MDXFile(string dbfFile, ZipHelper _ziphelper, char DirSeperator, bool ReadOnly)
{
this.boolReadOnly = ReadOnly;
this.objMDXEntrys = new List <MDX>(MAX_TAGS);
short i;
this.strName = Path.GetDirectoryName(dbfFile) + DirSeperator + Path.GetFileNameWithoutExtension(dbfFile) + ".mdx";
if (_ziphelper.FileExists(this.strName))
{
BinaryReader mdxReader = null;
try
{
byte[] buffer;
GCHandle handle;
this.objFileStream = _ziphelper.GetReadStream(this.strName);
//Create a Binary Reader for the MDX file
mdxReader = new BinaryReader(objFileStream);
byte[] completeBuffer = mdxReader.ReadBytes((int)_ziphelper.GetStreamLength(this.strName, objFileStream));
mdxReader.Close();
mdxReader = new BinaryReader(new MemoryStream(completeBuffer), ASCIIEncoding.ASCII);
// Marshall the header into a MDXHeader structure
buffer = mdxReader.ReadBytes(Marshal.SizeOf(typeof(MDXHeader)));
handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
this.objHeader = (MDXHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(MDXHeader));
handle.Free();
//Read the Key Nodes
for (i = 0; i < objHeader.numberOfTagsInUse; i++)
{
int StreamStartPosition = Marshal.SizeOf(typeof(MDXHeader));
StreamStartPosition += (this.objHeader.lengthOfTag * i);
if (i < objHeader.numberOfTagsInUse)
{
MDX newMDX = new MDX(i);
this.objMDXEntrys.Add(newMDX);
newMDX.Read(mdxReader, this.objHeader.lengthOfTag, StreamStartPosition);
}
else
{
objMDXEntrys.Add(null);
}
}
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
}
finally
{
mdxReader.Close();
}
}
}
public MDXFile(string dbfFile, ZipHelper _ziphelper, char DirSeperator, bool ReadOnly)
{
this.boolReadOnly = ReadOnly;
this.objMDXEntrys = new List<MDX>(MAX_TAGS);
short i;
this.strName = Path.GetDirectoryName(dbfFile) + DirSeperator + Path.GetFileNameWithoutExtension(dbfFile) + ".mdx";
if (_ziphelper.FileExists(this.strName))
{
BinaryReader mdxReader = null;
try
{
byte[] buffer;
GCHandle handle;
this.objFileStream = _ziphelper.GetReadStream(this.strName);
//Create a Binary Reader for the MDX file
mdxReader = new BinaryReader(objFileStream);
byte[] completeBuffer = mdxReader.ReadBytes((int) _ziphelper.GetStreamLength(this.strName, objFileStream));
mdxReader.Close();
mdxReader = new BinaryReader(new MemoryStream(completeBuffer), ASCIIEncoding.ASCII);
// Marshall the header into a MDXHeader structure
buffer = mdxReader.ReadBytes(Marshal.SizeOf(typeof (MDXHeader)));
handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
this.objHeader = (MDXHeader) Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof (MDXHeader));
handle.Free();
//Read the Key Nodes
for (i = 0; i < objHeader.numberOfTagsInUse; i++)
{
int StreamStartPosition = Marshal.SizeOf(typeof (MDXHeader));
StreamStartPosition += (this.objHeader.lengthOfTag*i);
if (i < objHeader.numberOfTagsInUse)
{
MDX newMDX = new MDX(i);
this.objMDXEntrys.Add(newMDX);
newMDX.Read(mdxReader, this.objHeader.lengthOfTag, StreamStartPosition);
}
else
{
objMDXEntrys.Add(null);
}
}
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
}
finally
{
mdxReader.Close();
}
}
}