Class ChangeContext

Represents a class that helps to create instance of the change. Also, it implements ISource interface, so it can be used as data source for data window.

Inheritance

System.Object

ChangeContext

Implements

IChange

ISource

System.ICloneable

System.IDisposable

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

Namespace: Syncfusion.Windows.Forms.Edit.Implementation.IO

Assembly: Syncfusion.Edit.Windows.dll

Syntax

public class ChangeContext : IChange, ISource, ICloneable, IDisposable

Constructors

ChangeContext(ChangeType, Byte[])

Initializes a new instance of the ChangeContext class.

Declaration

public ChangeContext(ChangeType type, byte[] data)

Parameters

Type	Name	Description
ChangeType	type	Type of change.
System.Byte[]	data	Data for change.

ChangeContext(ChangeType, Byte[], Int64)

Initializes a new instance of the ChangeContext class.

Declaration

public ChangeContext(ChangeType type, byte[] data, long size)

Parameters

Type	Name	Description
ChangeType	type	Type of change.
System.Byte[]	data	Data for change.
System.Int64	size	Size of change (how much to delete or replace).

Properties

Data

Gets the data for change (for replace and insert).

Declaration

public byte[] Data { get; }

Property Value

Type
System.Byte[]

Length

Gets the length of data in source.

Declaration

public long Length { get; }

Property Value

Type
System.Int64

Position

Gets or sets the position in stream.

Declaration

public long Position { get; set; }

Property Value

Type
System.Int64

Size

Gets the size of data changed (for delete and replace).

Declaration

public long Size { get; }

Property Value

Type
System.Int64

Type

Gets the type of change.

Declaration

public ChangeType Type { get; }

Property Value

Type
ChangeType

Methods

Clone()

Clones the changed context.

Declaration

public ChangeContext Clone()

Returns

Type	Description
ChangeContext	New ChangeContext

Dispose()

Releases all resources used by this Controls component.

Declaration

public void Dispose()

Finalize()

Destructor, calls Dispose.

Declaration

protected void Finalize()

GetData(Int64, Byte[], Int32, Int32)

Reads data and writes it to array.

Declaration

public int GetData(long position, byte[] data, int offset, int count)

Parameters

Type	Name	Description
System.Int64	position	Position of data in the source.
System.Byte[]	data	Array, where data will be written.
System.Int32	offset	Offset in array.
System.Int32	count	Size of data that have to be read.

Returns

Type	Description
System.Int32	Count of actually read bytes.

ToString()

Format of the output string is "type: {0,8} length: {1,6} size: {2,6} position: {3,6}" Mostly for debug purposes.

Declaration

public override string ToString()

Returns

Type	Description
System.String	String representation.

Overrides

System.Object.ToString()

Explicit Interface Implementations

ICloneable.Clone()

Clones Context

Declaration

object ICloneable.Clone()

Returns

Type	Description
System.Object	New ChangeContext

Implements

IChange

ISource

System.ICloneable

System.IDisposable