Sets the name of the stock item. See gtk.tool_button.ToolButton.newFromStock. The stock_id property only has an effect if not overridden by non-null #GtkToolButton:label-widget and #GtkToolButton:icon-widget properties.
a name of a stock item, or null
Deprecated: Use gtk.tool_button.ToolButton.setIconName instead.
Sets the name of the stock item. See gtk.tool_button.ToolButton.newFromStock. The stock_id property only has an effect if not overridden by non-null #GtkToolButton:label-widget and #GtkToolButton:icon-widget properties.