dragCopy

defines that an item is copied to a target during drag-n-drop

dragCopy?: boolean;

Example

const source = new dhx.DataView("dataview_source", {dragMode: "source", dragCopy: true});
const target = new dhx.DataView("dataview_target", {dragMode: "target", dragCopy: true});

Related sample: Dataview. Drag-n-drop copy

note

Don't forget to enable drag-n-drop via the dragMode property to use dragCopy.