System Options → Table font size

2010 SolidWorks API Help - Document Properties > Tables

http://help.solidworks.com/2010/english/api/swconst/dp_tables.htm

DP_Tables.gif

How to select the Document Properties→Annotations font → tables → Height 3mm

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2010 SolidWorks API Help - swUserPreferenceDoubleValue_e Enumeration

http://help.solidworks.com/2010/english/api/swconst/SolidWorks.Interop.swconst~SolidWorks.Interop.swconst.swUserPreferenceDoubleValue_e.html

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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

http://help.solidworks.com/2010/english/api/sldworksapiprogguide/overview/system_options_and_document_properties.htm

SolidworksApi macros