
This class contains a button for use in the tool bar or the toolbox.


Constructor.
| Argument | Type | Default | Description |
| p | FXComposite | Parent widget. | |
| label | String | Label for the button. | |
| icon | FXIcon | None | Icon for the button. |
| tgt | FXObject | None | Message target. |
| sel | Int | 0 | Message ID. |
| asToggle | Bool | True | Allow toggle off behavior. |