A radio button that automatically updates its properties.
| New | () |
| AutoCheck | As Boolean | |
| Checked | As Boolean | True if the radio button is checked (read-only). |
| Enabled | As Boolean | True if the control is enabled (read-only). |
| TabStop | As Boolean | True if the radio button is a tab-stop (read-only). |
| GetChecked | () | As Boolean | Event fired to calculate whether the button is checked. |
| GetEnabled | () | As Boolean | Event fired to determine whether the control is enabled. |
| SetChecked | () | Event fired when the button is checked. |