To achieve your requirement you can use the LabelStyle or LabelTemplate property of the axis. This way you can set the FontWeight property of the corresponding element based on a condition. One way to do this is to use an IValueConverter.
Progress is here for your business, like always. Read more
about the measures we are taking to ensure business continuity and help fight the COVID-19 pandemic.
Our thoughts here at Progress are with those affected by the outbreak.