The following tables list the members exposed by GoUndoManager.
Public Constructors
| Name | Description | |
|---|---|---|
 | GoUndoManager Constructor | Create a GoUndoManager that is ready to record document modifications, but that does not know about any documents yet. |
Public Fields
| Name | Description | |
|---|---|---|
 | CollapsedName | The unlocalized name for an IGoCollapsible collapse, "Collapsed". |
| CollapsedSubGraphName | The unlocalized name for a SubGraph collapsing, "Collapsed SubGraph". |
| CopyName | The unlocalized name for a clipboard copy operation, "Copy". |
| CopySelectionName | The unlocalized name for a drag copy operation, "Copy Selection". |
| CutName | The unlocalized name for a clipboard cut operation, "Cut". |
| DeleteSelectionName | The unlocalized name for a delete operation, "Delete Selection". |
| DragCreatedName | The unlocalized name for a GoToolCreating addition of an object, "Drag Created". |
| DropName | The unlocalized name for a drag drop operation, "Drop". |
| ExpandedAllSubGraphsName | The unlocalized name for a complete SubGraph expansion, "Expanded All SubGraphs". |
| ExpandedName | The unlocalized name for an IGoCollapsible expansion, "Expanded". |
| ExpandedSubGraphName | The unlocalized name for a SubGraph expansion, "Expanded SubGraph". |
| MoveSelectionName | The unlocalized name for a drag move operation, "Move Selection". |
| NewLinkName | The unlocalized name for a linking operation, "New Link". |
| PasteName | The unlocalized name for a clipboard paste operation, "Paste". |
| RelinkName | The unlocalized name for a relinking operation, "Relink". |
| ResizeName | The unlocalized name for a resize operation, "Resize". |
| TextEditName | The unlocalized name for a text edit operation, "Text Edit". |
Public Properties
| Name | Description | |
|---|---|---|
 | AllEdits | Gets a list of all of the compound edits. |
| ChecksTransactionLevel | Gets or sets whether this undo manager will output warnings to Trace listeners when document changes occur outside of a transaction. |
| CurrentEdit | Gets the current compound edit for recording additional document change events. |
| Documents | Gets a list of documents for which this UndoManager is recording undo/redo information. |
| EditToRedo | Gets the current GoUndoManagerCompoundEdit to be redone, or null if there is none. |
| EditToUndo | Gets the current GoUndoManagerCompoundEdit to be undone, or null if there is none. |
| IsRedoing | This predicate is true during a call to Redo. |
| IsUndoing | This predicate is true during a call to Undo. |
| MaximumEditCount | Gets or sets the maximum number of compound edits that this undo manager will remember. |
| RedoPresentationName | Gets the user-visible string description of the next redo action. |
| ResourceManager | Gets or sets the ResourceManager used to get presentation names. |
| TransactionLevel | Gets the current transaction level. |
| UndoEditIndex | Gets the index into AllEdits for the current undoable edit. |
| UndoPresentationName | Gets the user-visible string description of the next undo action. |
Public Methods
| Name | Description | |
|---|---|---|
 | AbortTransaction | Just call EndTransaction, aborting the current transaction. |
| AddDocument | Make sure this undo manager knows about a GoDocument for which it is receiving document Changed event notifications. |
| CanRedo | This predicate is true when one can call Redo. |
| CanUndo | This predicate is true when one can call Undo. |
| Clear | Clear all of the GoUndoManagerCompoundEdits and reset all other state. |
| CommitCompoundEdit | This method is called by EndTransaction when committing a compound edit. |
| DocumentChanged | Create an IGoUndoableEdit for a GoDocument Changed event. |
| EndTransaction | Stop the current transaction, either aborting it or committing it. |
| FinishTransaction | Just call EndTransaction, committing the current transaction, with the presentation name for the given transaction name. |
| GetPresentationName | Look up a string in a ResourceManager. |
| Redo | Restore the state of some documents to after the current IGoUndoableEdit. |
| RemoveDocument | Call this method to inform this undo manager that it no longer will be notified of document Changed events. |
| SkipEvent | This predicate is responsible for deciding if a GoChangedEventArgs is not interesting enough to be recorded. |
| StartTransaction | Begin a transaction, where the changes are held by a GoUndoManagerCompoundEdit. |
| Undo | Restore the state of some documents to before the current IGoUndoableEdit. |
See Also