Every DockingLayout item can have a specific drop position. Drop position is the destination of an item as a result of a dragging operation ( reordering of items ). They are applied as a property dropPosition to the items of the Layout.

The Drop position is an array of strings indicating the allowed locations at which the item can be dropped. Possible values are:

• All - all possible drop positions are available
• Top - position Top is allowed.
• Bottom - position Bottom is allowed.
• Left - position Left is allowed.
• Right - position Right is allowed.
• Center - position Center (available only in snapMode = "advanced") is allowed.
• Header - position Header is allowed.
• None - dropping is not allowed.

disableDrag is a Smart.TabItem property that can be applied in order to disable the dragging of a specific tab items.