| Control | Description |
|
| CheckBox | An integer value indicating whether the item is selected: |
| Null Indicates the item is in a null state, neither selected nor cleared. |
| –1 True. Indicates the item is selected. |
| 0 False. Indicates the item is cleared. |
| OptionButton | Same as CheckBox. |
| ToggleButton | Same as CheckBox. |
| ScrollBar | An integer between the values specified for the Max and Min properties. |
| SpinButton | Same as ScrollBar. |
| ComboBox, ListBox | The value in the BoundColumn of the currently selected rows. |
| CommandButton | Always False. |
| MultiPage | An integer indicating the currently active page. |
| Zero (0) indicates the first page. The maximum value is one less than the number of pages. |
| TextBox | The text in the edit region. |