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<div class="title">Int64VectorVector.Int64VectorVectorEnumerator</div>  </div>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Note that the IEnumerator documentation requires an InvalidOperationException to be thrown whenever the collection is modified. </p>
<p>This has been done for changes in the size of the collection but not when one of the elements of the collection i