Records changed done on an object model and allow to undo and redo them.
Implements
Namespace: PostSharp.Patterns.Recording
Assembly: PostSharp.Patterns.Model.dll
Syntax
public sealed class Recorder : INotifyPropertyChangedConstructors
| Name | Description |
|---|---|
| Recorder() | Initializes a new instance of the Recorder class. |
| Recorder(object) | Initializes a new instance of the Recorder class and attaches it to a given object. |
Properties
| Name | Description |
|---|---|
| CanAddRestorePoint | Determines if the AddRestorePoint(string) method can be invoked. |
| CanRedo | Determines if the Redo() method can be invoked. |
| CanUndo | Determines if the Undo() method can be invoked. |
| MaximumOperationsCount | Gets the maximum number of operations in the UndoOperations and RedoOperations collections. These collections are automatically trimmed so that their size never exceeds MaximumOperationsCount. |
| RedoOperations | Gets the collection of operations that can be redone using the Redo() method. |
| UndoOperations | Gets the collection of operations that can be undone using the Undo() method. |
Methods
| Name | Description |
|---|---|
| AddOperation(Operation) | Adds a new Operation to UndoOperations collection of the current Recorder. |
| AddRestorePoint(string) | Adds new restore point with given name. |
| Attach(object) | Attaches a recordable object (including its descendant objects) to the current Recorder so that changes in this objects start being recorded into the current Recorder. |
| Clear() | Clears undo and redo lists. |
| Detach(object) | Detaches a recordable object from the current Recorder, so that changes in this objects stop being recorded into the current Recorder. |
| OpenScope(RecordingScopeOption) | Opens an unnamed RecordingScope. |
| OpenScope(string, RecordingScopeOption) | Opens a RecordingScope with a given name. |
| Redo() | Redo last operation. |
| RedoTo(Operation) | redo all operation to specific operation. |
| Undo() | Undo last operation. |
| UndoTo(Operation) | Undo all operations to specific Operation or RestorePoint. |
Events
| Name | Description |
|---|---|
| ChildPropertyChanged | Event raised after the property of a child object has been changed. |
| ChildPropertyChanging | Event raised before the property of a child object is changed. |
| PropertyChanged | Event raised when the value of a property of the current object changes. |