The mnemonic can be used to activate the parent button.
ButtonContent.useUnderline
bool useUnderline() @propertyGet useUnderline property.
Returns
Whether an underline in the text indicates a mnemonic.
void useUnderline(bool propval) @propertySet useUnderline property.
Parameters
propval | Whether an underline in the text indicates a mnemonic. The mnemonic can be used to activate the parent button. See adw.button_content.ButtonContent.label. |