| onBeforeCheck | fires before a checkbox is checked in a combo |
| onBlur | fires when the focus is moved out from the combo |
| onChange | fires when the combo's value is changed |
| onCheck | fires on checking a checkbox in a combo |
| onClose | fires when the user closes the combo list |
| onDynXLS | fires when the combo list is being populated with data from the server |
| onFocus | fires when an item has got focus |
| onKeyPressed | fires right after the key is pressed inside of the combo |
| onOpen | fires right after the combo list has opened |
| onSelectionChange | fires when the preselected value inside the combo changes |
| onSyncApply | fires when data synchronization is finished |
| onXLE | fires when the data loading is finished and a component or data is rendered |
| onXLS | fires when XML loading started |