on_pre_drag_enter

zng_wgt_input::drag_drop

Function on_pre_drag_enter 

Source 
pub fn on_pre_drag_enter(
    child: impl IntoUiNode,
    handler: Handler<DragHoveredArgs>,
) -> UiNode
Expand description

P Dragging cursor entered the widget area and the widget is enabled.

ยงRoute

This event property uses the preview route, that is, the handler is called before the children widget handlers and before the $pn_ident handlers.