Sets the name of the stock item. See ToolButton.newFromStock. The stock_id property only has an effect if not overridden by non-NULL label-widget and icon-widget properties.
a name of a stock item, or NULL
Deprecated: Use ToolButton.setIconName instead.
2.4
Sets the name of the stock item. See ToolButton.newFromStock. The stock_id property only has an effect if not overridden by non-NULL label-widget and icon-widget properties.