Class ChartSerAuxTrendRecord

This record defines a series trend line.

Inheritance

System.Object

Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw

ChartSerAuxTrendRecord

Implements

System.ICloneable

IBiffStorage

Namespace: Syncfusion.XlsIO.Parser.Biff_Records.Charts

Assembly: Syncfusion.XlsIO.Portable.dll

Syntax

[Biff]
public class ChartSerAuxTrendRecord : BiffRecordRaw, ICloneable, IBiffStorage

Constructors

ChartSerAuxTrendRecord()

Default constructor, initializes all fields with default values.

Declaration

public ChartSerAuxTrendRecord()

ChartSerAuxTrendRecord(Int32)

Reserved for record's internal data array.

Declaration

public ChartSerAuxTrendRecord(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.

ChartSerAuxTrendRecord(Stream, out Int32)

Read / initialize constructor.

Declaration

public ChartSerAuxTrendRecord(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.

Fields

DEF_NAN_BYTE_ARRAY

Represents default byte array for NaN value.

Declaration

public static byte[] DEF_NAN_BYTE_ARRAY

Field Value

Type
System.Byte[]

DEF_NAN_VALUE

Represents default NaN value;

Declaration

public static readonly double DEF_NAN_VALUE

Field Value

Type
System.Double

DEF_RECORD_SIZE

Correct size of the record.

Declaration

public const int DEF_RECORD_SIZE = 28

Field Value

Type
System.Int32

Properties

IsEquation

True if the equation is displayed.

Declaration

public bool IsEquation { get; set; }

Property Value

Type
System.Boolean

IsRSquared

True if the R-squared value is displayed.

Declaration

public bool IsRSquared { get; set; }

Property Value

Type
System.Boolean

MaximumRecordSize

Maximum possible size of the record.

Declaration

public override int MaximumRecordSize { get; }

Property Value

Type
System.Int32

Overrides

Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw.MaximumRecordSize

MinimumRecordSize

Minimum possible size of the record.

Declaration

public override int MinimumRecordSize { get; }

Property Value

Type
System.Int32

Overrides

Syncfusion.XlsIO.Parser.Biff_Records.BiffRecordRaw.MinimumRecordSize

NumBackcast

IEEE number; specifies number of periods to forecast backward.

Declaration

public double NumBackcast { get; set; }

Property Value

Type
System.Double

NumForecast

IEEE number; specifies number of periods to forecast forward.

Declaration

public double NumForecast { get; set; }

Property Value

Type
System.Double

NumIntercept

IEEE number; specifies forced intercept. (#NA if no intercept is specified)

Declaration

public double NumIntercept { get; set; }

Property Value

Type
System.Double

Order

Polynomial order or moving average period.

Declaration

public byte Order { get; set; }

Property Value

Type
System.Byte

RegressionType

Regression type.

Declaration

public ChartSerAuxTrendRecord.TRegression RegressionType { get; set; }

Property Value

Type
ChartSerAuxTrendRecord.TRegression

Methods

ParseStructure(DataProvider, Int32, Int32, ExcelVersion)

Parse structure of record. Converts 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)

UpdateType(ExcelTrendLineType)

Updates trend line type on serialize.

Declaration

public void UpdateType(ExcelTrendLineType type)

Parameters

Type	Name	Description
ExcelTrendLineType	type	Represents trend line type.

Implements

System.ICloneable

IBiffStorage