Make the document combine the following actions into a single
action for undo purposes.
![](../icons/collapse_all.gif)
C# | Visual Basic | Visual C++ |
void StartUndoableAction()
Sub StartUndoableAction
void StartUndoableAction()
Assembly: ICSharpCode.AvalonEdit (Module: ICSharpCode.AvalonEdit.dll) Version: 5.0.0.4238