Thanks for your inquiry. Unfortunately, Aspose.Words does not support the requested feature at the moment. However, I have logged this feature request as WORDSNET-10671 in our issue tracking system. You will be notified via this forum thread once this feature is available. We apologize for your inconvenience.
As a workaround, please use the following code example. Hope this helps you.
Document doc = new Document(MyDir + "in.docx");
foreach (Row row in doc.GetChildNodes(NodeType.Row, true))
row.RowFormat.HeightRule = HeightRule.AtLeast;
row.RowFormat.Height = 72;
doc.Save(MyDir + "Out.docx");