property ExContextMenu.Debug as Boolean
Retrieves or sets a value that indicating whether the item's identifier is visible.

TypeDescription
Boolean A Boolean expression that specifies whether the identifiers of the items 
By default, the Debug property is False. Use the Debug property to display the identifiers for all visible items, for debugging purposes. The First number in the [] parenthesis indicates the item's ID property.

The following screen shot shows the control with the Debug property on True: