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