Alert button properties
| BackgroundColor | The background color, which is used to paint the area behind the button text. |
| Body | The body of an alert window, displayed below the title. |
| ButtonLabel | The label of the button that dismisses the alert window. |
| Enabled | Whether the button is enabled. |
| ForegroundColor | The foreground color, which is used to paint the label. |
| Label | The label. |
| Name | The name, as assigned in Calcapp Creator. |
| Reference | A reference to the alert button. |
| Title | The title of an alert window, displayed above the body. |
| Visible | Whether the button is visible. |