2010 SolidWorks API Help - Document Properties > Tables
http://help.solidworks.com/2010/english/api/swconst/dp_tables.htm
How to select the Document Properties→Annotations font → tables → Height 3mm
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2010 SolidWorks API Help - swUserPreferenceDoubleValue_e Enumeration
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Document Properties→Annotations font → Note → Height 3mm
→ .SetUserPreferenceDoubleValue swDetailingNoteFontHeight, 3 / 1000
but don't find method of Document Properties→Annotations font → tables
2010 SolidWorks API Help - System Options and Document Properties
SolidworksApi macros