on button, or null.
ToolButton.getLabelWidget
gtk.widget.Widget getLabelWidget()Returns the widget used as label on button. See [gtk.tool_button.ToolButton.setLabelWidget].
Returns
The widget used as label
gtk.widget.Widget getLabelWidget()Returns the widget used as label on button. See [gtk.tool_button.ToolButton.setLabelWidget].
on button, or null.