Drag n Drop on Control

Set the control property Allowdrop=true.

When mouse down thecontrol.Dodragdrop(object,DragdropEffectsEnum)

DragdropEffects.Copy | Move | ALL | None | Link | Scroll

and then on the control that you want to drop

put the logic on Drag Enter And Drag Drop

set the drag enter e.effect

and put the logic when data is drop.