public override void Undo()
{
IREditorDocument document = REditorDocument.TryFromTextBuffer(TextBuffer);
if (document != null)
{
document.EndMassiveChange();
}
}
public void Dispose()
{
IREditorDocument document = REditorDocument.TryFromTextBuffer(_textBuffer);
bool changed = true;
if (document != null)
{
changed = document.EndMassiveChange();
}
if (!changed)
{
_transaction.Cancel();
}
else
{
_transaction.AddUndo(new EndMassiveChangeUndoUnit(_textBuffer));
_transaction.Complete();
}
_transaction.Dispose();
}