Class HistoryList

HistoryList is LinearLinkedList containing HistoryEntries. Each HistoryEntry contains Command to execute

Inheritance

System.Object

HistoryList

Namespace: Syncfusion.Windows.Forms.Diagram

Assembly: Syncfusion.Diagram.Base.dll

Syntax

public class HistoryList : Object

Constructors

HistoryList()

Declaration

public HistoryList()

Fields

m_bCanRedo

Declaration

protected bool m_bCanRedo

Field Value

Type
System.Boolean

m_bCanUndo

Declaration

protected bool m_bCanUndo

Field Value

Type
System.Boolean

m_nodeCurrent

Declaration

protected HistoryEntry m_nodeCurrent

Field Value

Type
HistoryEntry

Properties

CanRedo

Gets a value indicating whether there is HistoryEntry to Redo.

Declaration

public bool CanRedo { get; }

Property Value

Type
System.Boolean

CanUndo

Gets a value indicating whether there is HistoryEntry to Undo.

Declaration

public bool CanUndo { get; }

Property Value

Type
System.Boolean

Methods

AddEntry(ICommand)

Adds new HistoryEntry to Historylist.

Declaration

public void AddEntry(ICommand command)

Parameters

Type	Name	Description
ICommand	command	The command.

CanMerge(ICommand)

Declaration

public bool CanMerge(ICommand cmdMerging)

Parameters

Type	Name	Description
ICommand	cmdMerging

Returns

Type
System.Boolean

ClearHistory()

Clears HistoryList.

Declaration

public void ClearHistory()

GetRedoCmd()

Fetches for HistoryEntry to Redo.

Declaration

public ICommand GetRedoCmd()

Returns

Type	Description
ICommand	The command.

GetRedoDescriptions(Int32, out String[])

Declaration

public int GetRedoDescriptions(int nDepth, out string[] strRedoDesciptions)

Parameters

Type	Name	Description
System.Int32	nDepth
System.String[]	strRedoDesciptions

Returns

Type
System.Int32

GetUndoCmd()

Fetches HistoryEntry to Undo.

Declaration

public ICommand GetUndoCmd()

Returns

Type	Description
ICommand	The command.

GetUndoDescriptions(Int32, out String[])

Declaration

public int GetUndoDescriptions(int nDepth, out string[] strUndoDesciptions)

Parameters

Type	Name	Description
System.Int32	nDepth
System.String[]	strUndoDesciptions

Returns

Type
System.Int32

Merge(ICommand)

Declaration

public void Merge(ICommand cmdToMerge)

Parameters

Type	Name	Description
ICommand	cmdToMerge