By default, the AllowMoveChart property is exLeftClick. This means that if you single click the left mouse button and start dragging the control's context is scrolled to the dragging direction. This property has effect only, if the control's scroll bars are visible, in other words, there are nodes that are not visible in the control's client area. The AllowMoveNode property specifies the combination of keys so the user can move a node from one parent to another. The AllowResizeNode property specifies the combination of keys so the user can resize the chart at runtime. The ScrollPos property specifies the control's scroll position.