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Class FilePassRecord - UWP API Reference | Syncfusion

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    Class FilePassRecord

    This record is part of the file protection. It contains information about the read/write password of the file. All record contents following this record will be encrypted.

    Inheritance
    System.Object
    Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw
    FilePassRecord
    Implements
    System.ICloneable
    IBiffStorage
    Namespace: Syncfusion.XlsIO.Parser.Biff_Records
    Assembly: Syncfusion.XlsIO.UWP.dll
    Syntax
    [Biff]
    public class FilePassRecord : BiffRecordRaw, ICloneable, IBiffStorage

    Constructors

    FilePassRecord()

    Default constructor

    Declaration
    public FilePassRecord()

    FilePassRecord(Int32)

    Reserved for record's internal data array.

    Declaration
    public FilePassRecord(int iReserve)
    Parameters
    Type Name Description
    System.Int32 iReserve

    Amount of bytes for data array.

    Exceptions
    Type Condition
    System.ArgumentOutOfRangeException

    If amount of bytes requested is less than zero.

    FilePassRecord(Stream, out Int32)

    Read / initialize constructor.

    Declaration
    public FilePassRecord(Stream stream, out int itemSize)
    Parameters
    Type Name Description
    System.IO.Stream stream

    Stream from which record data should be read.

    System.Int32 itemSize

    Size of read item.

    Exceptions
    Type Condition
    System.ArgumentNullException

    If stream is not specified.

    System.ApplicationException

    If stream does not support read or seek operations.

    Properties

    Hash

    Hash value calculated from the read/write password.

    Declaration
    public ushort Hash { get; set; }
    Property Value
    Type
    System.UInt16

    IsWeakEncryption

    Indicates whether weak encryption is used.

    Declaration
    public bool IsWeakEncryption { get; set; }
    Property Value
    Type
    System.Boolean

    Key

    Encryption key calculated from the read/write password.

    Declaration
    public ushort Key { get; set; }
    Property Value
    Type
    System.UInt16

    NeedDecoding

    Declaration
    public override bool NeedDecoding { get; }
    Property Value
    Type
    System.Boolean
    Overrides
    Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw.NeedDecoding

    StandardBlock

    Returns content for BIFF8 standard encryption. Read-only.

    Declaration
    public FilePassStandardBlock StandardBlock { get; }
    Property Value
    Type
    FilePassStandardBlock

    Methods

    CreateStandardBlock()

    Creates internal standard encryption block.

    Declaration
    public void CreateStandardBlock()

    GetStoreSize(ExcelVersion)

    Size of the required storage space. Read-only.

    Declaration
    public override int GetStoreSize(ExcelVersion version)
    Parameters
    Type Name Description
    ExcelVersion version
    Returns
    Type
    System.Int32
    Overrides
    Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw.GetStoreSize(Syncfusion.XlsIO.ExcelVersion)

    ParseStructure(DataProvider, Int32, Int32, ExcelVersion)

    Parse structure of record. Convert Data buffer to special values according to record specification.

    Declaration
    public override void ParseStructure(DataProvider provider, int iOffset, int iLength, ExcelVersion version)
    Parameters
    Type Name Description
    DataProvider provider

    Object that provides access to the data.

    System.Int32 iOffset

    Offset to the record's data.

    System.Int32 iLength

    Length of the record's data.

    ExcelVersion version

    Excel version used for infill.

    Overrides
    Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw.ParseStructure(Syncfusion.XlsIO.Parser.Biff_Records.DataProvider, System.Int32, System.Int32, Syncfusion.XlsIO.ExcelVersion)

    Implements

    System.ICloneable
    IBiffStorage

    Extension Methods

    DateTimeExtension.ToDateTime(Object)
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