The width of a tool bar button can only be changed if it has the XBPTOOLBAR_BUTTON_PLACEHOLDER style. For buttons created with a different style, the :widthinstance variable is read-only.
Member variable XbpToolBarButton():width Foundation
Specifies the width of a tool bar button.
Attribute: EXPORTED
Data type: Numeric (0)
Description
The instance variable :width contains a numeric value that specifies the current width of a toolbar button object. To change the width of a given button, the new width must be assigned to the button's :widthinstance variable.
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