Change the slope of line graph with the use of spinbutton in Excel VBA

[Zhanna_KN]

How can I vary the slope of the line (increase/ decrease) with the use of SpinButton in Excel VBA.

 

[Becky]

Welcome to the forum! Is there a specific reason you want to use VBA? There's a useful article here: https://www.ablebits.com/office-addins-blog/2011/06/24/excel-spin-buttons-scrollbars/