====== Undo ======
Method of [[:scripting:api:base-document:start|IBaseDocument]]

===== Description =====
Undo of the last editing steps until nNewPosition, if nNewPosition == -1 - until last begin of undo group

===== Parameters =====
  * [[scripting:api:data-type:long|long]] **nPosition**  = -1 (optional)
===== Syntax =====
==== JavaScript ====
<code javascript>
BaseDocument.Undo(nPosition);
</code>==== Visual Basic Script ====
<code vb>
BaseDocument.Undo nPosition
</code>==== C++ ====
<code cpp>
HRESULT hr = BaseDocument.Undo(nPosition);
</code>===== See Also =====
[[:scripting:api:base-document:start|IBaseDocument]]

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