Occurs when index is going to change.
The event handler receives an argument of type SelectionChaningEventArgs containing data related to this event. The following SelectionChaningEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Cancel | Gets or sets a value indicating whether the event should be canceled. |
| NewIndex | Gets index of newly selected item. |
ToolbarControl Class | Resco.Controls.CommonControls Namespace