DesktopToolbarButton.ButtonStyle

From Xojo Documentation

aDesktopToolbarButton.ButtonStyle = newDesktopToolbarButton.ButtonStylesValue
or
DesktopToolbarButton.ButtonStylesValue = aDesktopToolbarButton.ButtonStyle

New in 2021r3

Supported for all project types and targets.

Determines the type of button.

Notes

Get and set this property using the DesktopToolbarButton.ButtonStyles enumeration.