Change font size on axis for excel chart with powershell -

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i want change font size axis values 11 9 on chart: excel chart

the chart whole worksheet & have tried run macro tool , replicate in there change font size. vba:

    activechart.axes(xlvalue).select     selection.format.textframe2.textrange.font         .baselineoffset = 0         .size = 11     end

i unable reproduce in powershell. have tried:

    $excel = new-object -comobject excel.application     $ws = $excel.workbooks.open('file.xlsx').sheets('chart')     $ws.axes().item(1).format.textframe2.textrange.font.size = 11     $ws.axes().item(2).format.textframe2.textrange.font.size = 11

but textframe2 object isn't initialized. i'm pretty stuck on how proceed.

thanks


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