Hi,
You need to run a code when Visio start with add-in or add-on.
The basic code is simple.
ActiveDocument.GestureFormatSheet.Cells("LineWeight").FormulaU = "0.24 pt"
If you run this code in VBA Macro, the default line weight is set to (2)
only to the drawing that has this macro.
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Best Regards.
JuneTheSecond
Now, visual calculation is more visual.
http://www.geocities.jp/visualcalculation/english/index.html