Class BiffReader
Class for extracting Biff records from the stream.
Inheritance
Implements
Namespace: Syncfusion.XlsIO.Parser
Assembly: Syncfusion.XlsIO.Portable.dll
Syntax
public class BiffReader : Object, IDisposableConstructors
BiffReader(Stream)
Open stream for reading.
Declaration
public BiffReader(Stream stream)Parameters
| Type | Name | Description |
|---|---|---|
| System.IO.Stream | stream | Input stream which contains data. |
BiffReader(Stream, Boolean)
Open stream for reading and control stream live time.
Declaration
public BiffReader(Stream stream, bool bControlStream)Parameters
| Type | Name | Description |
|---|---|---|
| System.IO.Stream | stream | Input stream which contains data |
| System.Boolean | bControlStream | TRUE - reader will dispose stream on own destroy, otherwise FALSE |
Properties
BaseReader
Returns base BinaryReader. Read-only.
Declaration
public BinaryReader BaseReader { get; }Property Value
| Type | Description |
|---|---|
| System.IO.BinaryReader |
BaseStream
Base stream.
Declaration
public Stream BaseStream { get; }Property Value
| Type | Description |
|---|---|
| System.IO.Stream |
Buffer
Returns reference to the internal buffer. Read-only.
Declaration
public byte[] Buffer { get; }Property Value
| Type | Description |
|---|---|
| System.Byte[] |
DataProvider
Returns object that provides access to the data. Read-only.
Declaration
public DataProvider DataProvider { get; }Property Value
| Type | Description |
|---|---|
| DataProvider |
IsEOF
Read-only. Property return TRUE when reader cannot extract no more records from stream.
Declaration
public bool IsEOF { get; }Property Value
| Type | Description |
|---|---|
| System.Boolean |
MinimalVersion
Get / Set minimal version accepted by the reader
Declaration
public int MinimalVersion { get; set; }Property Value
| Type | Description |
|---|---|
| System.Int32 |
Methods
Dispose()
Free all resources used by this class
Declaration
public void Dispose()GetRecord()
Gets next record from the stream.
Declaration
public BiffRecordRaw GetRecord()Returns
| Type | Description |
|---|---|
| Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw | Extracted biff record. |
GetRecord(IDecryptor)
Gets next record from the stream.
Declaration
public BiffRecordRaw GetRecord(IDecryptor decryptor)Parameters
| Type | Name | Description |
|---|---|---|
| IDecryptor | decryptor | Decryptor used to decrypt encrypted records. |
Returns
| Type | Description |
|---|---|
| Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw | Extracted biff record. |
PeekRecord()
Gets record from the stream without changing stream position.
Declaration
public BiffRecordRaw PeekRecord()Returns
| Type | Description |
|---|---|
| Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw | Extracted biff record. |
PeekRecordType()
Gets record type from the stream without changing stream position.
Declaration
public TBIFFRecord PeekRecordType()Returns
| Type | Description |
|---|---|
| TBIFFRecord | Extracted record type. |
SeekOnBOFRecord()
Searches for the next BOFRecord in the stream.
Declaration
public BiffRecordRaw SeekOnBOFRecord()Returns
| Type | Description |
|---|---|
| Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw | Found BOFRecord or null if was not found. |
SeekOnRecord(TBIFFRecord)
Seeks for the specified record.
Declaration
public BiffRecordRaw SeekOnRecord(TBIFFRecord recordCode)Parameters
| Type | Name | Description |
|---|---|---|
| TBIFFRecord | recordCode | Record to search. |
Returns
| Type | Description |
|---|---|
| Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw | Found record, or NULL if record was not found. |
TestPeekRecord()
Extract Record from stream. This method used by IsEOF property to optimize its performance.
Declaration
protected BiffRecordRaw TestPeekRecord()Returns
| Type | Description |
|---|---|
| Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw | Extracted record. |