private void Initialize()
{
_fileStream.Position = 0;
FileHeader fileHeader = Utilities.ReadStruct <FileHeader>(_fileStream);
if (!fileHeader.IsValid)
{
throw new IOException("Invalid VHDX file - file signature mismatch");
}
ReadHeaders();
if (_header.LogGuid != Guid.Empty)
{
throw new NotSupportedException("Detected VHDX file with replay log - not yet supported");
}
ReadRegionTable();
ReadMetadata();
Stream batStream = OpenRegion(RegionTable.BatGuid);
_bat = new BlockAllocationTable(batStream, _metadata);
}
public ContentStream(SparseStream fileStream, BlockAllocationTable bat, long length, SparseStream parentStream, Ownership ownsParent)
{
_fileStream = fileStream;
_bat = bat;
_length = length;
_parentStream = parentStream;
_ownsParent = ownsParent;
}
private void Initialize()
{
_fileStream.Position = 0;
FileHeader fileHeader = Utilities.ReadStruct<FileHeader>(_fileStream);
if (!fileHeader.IsValid)
{
throw new IOException("Invalid VHDX file - file signature mismatch");
}
ReadHeaders();
if (_header.LogGuid != Guid.Empty)
{
throw new NotSupportedException("Detected VHDX file with replay log - not yet supported");
}
ReadRegionTable();
ReadMetadata();
Stream batStream = OpenRegion(RegionTable.BatGuid);
_bat = new BlockAllocationTable(batStream, _metadata);
}
