Class HistoryChangedEventArgs

Represents the class which is used to notifies while the changes occurs during undo/redo process.

Inheritance
object
HistoryChangedEventArgs
Inherited Members
Namespace: Syncfusion.Blazor.Diagram
Assembly: Syncfusion.Blazor.dll
Syntax
public class HistoryChangedEventArgs
Examples
<SfDiagramComponent Width = "1000px" Height="1000px" HistoryChanged="HistoryChanged">
</SfDiagramComponent>
@code
{
    private void HistoryChanged(HistoryChangedEventArgs args)
    {

    }
}

Constructors

HistoryChangedEventArgs()

Declaration
public HistoryChangedEventArgs()

Properties

ActionTrigger

Gets the event action.

Declaration
public HistoryChangedAction ActionTrigger { get; }
Property Value
Type
HistoryChangedAction

CollectionChangedAction

Gets the entry's change type.

Declaration
public HistoryEntryChangeType CollectionChangedAction { get; }
Property Value
Type
HistoryEntryChangeType

Entry

Gets the previous and new value of the history object that has been changed.

Declaration
public HistoryEntryBase? Entry { get; }
Property Value
Type
HistoryEntryBase

EntryType

Gets the type of the newly added entry.

Declaration
public HistoryEntryType EntryType { get; }
Property Value
Type
HistoryEntryType

Source

Gets the collection of objects that are changed in the last undo/redo.

Declaration
public List<NodeBase>? Source { get; }
Property Value
Type
List<NodeBase>