set_show_close_button
Description:
If true, a standard close button is shown.
When clicked it emits the response gtk_response_close.
Parameters:
| this |
a `GtkInfoBar` |
| setting |
true to include a close button |
If true, a standard close button is shown.
When clicked it emits the response gtk_response_close.
| this |
a `GtkInfoBar` |
| setting |
true to include a close button |