TreeViewDragSourceObserver::TreeViewDragStarted

Event handler for the drag started notification.

virtual void TreeViewDragStarted (
    const TreeViewDragSourceEvent & ev,
    UShort *            effect
);

Parameters

ev

A reference to the event.

effect

Drag and drop effect can take the following values: DragDrop::Reject, DragDrop::Accept, DragDrop::Copy, DragDrop::Move, DragDrop::Link, DragDrop::Delete.

Description

Use this event to set custom drag and drop data in the drag source control.