Object Types: Trees and splitters.
Description:
Tree Controls—Drag events are sent to the callback function associated with the tree control when the user drags a tree item.
Splitter Controls—Drag events are sent at the beginning of the splitter operation.
Event Data Parameters:
For tree events: | ||
eventData1 | = | not used |
eventData2 | = | itemIndex |
For splitter events: | ||
eventData1 | = | vertical coordinates of the current drag line position |
eventData2 | = | horizontal coordinates of the current drag line position |
This event is swallowable. Return 1 to swallow EVENT_DRAG.