public void Insert(int offset, ITextSource text) { Replace(offset, 0, text, null); }
public void ContinueUndoGroup() { var doc = new TextDocument(); doc.Insert(0, "a"); doc.UndoStack.StartContinuedUndoGroup(); doc.Insert(1, "b"); doc.UndoStack.EndUndoGroup(); doc.UndoStack.Undo(); Assert.AreEqual("", doc.Text); }