UndoManager Class |
Namespace: pdftron.SDF
public sealed class UndoManager : IClosable
The UndoManager type exposes the following members.
Name | Description | |
---|---|---|
![]() | CanRedo |
Returns a boolean indicating whether it is possible to redo from the current snapshot.
|
![]() | CanUndo |
Returns whether it is possible to undo from the current snapshot.
|
![]() | Close | |
![]() | DiscardAllSnapshots |
Forget all changes in this manager (without changing the document).
|
![]() | Equals | (Inherited from Object.) |
![]() | GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
![]() | GetNextRedoSnapshot |
Gets the next state of the document. This state may be invalid if it is impossible to redo.
|
![]() | GetNextUndoSnapshot |
Gets the previous state of the document. This state may be invalid if it is impossible to undo.
|
![]() | GetType | Gets the Type of the current instance. (Inherited from Object.) |
![]() | Redo |
Restores to the next snapshot, if there is one.
|
![]() | TakeSnapshot |
Creates a snapshot of document state, transitions to the new snapshot.
|
![]() | ToString | Returns a string that represents the current object. (Inherited from Object.) |
![]() | Undo |
Restores to the previous snapshot point, if there is one.
|