MultiSelect and Drag&Drop
=========================
Drag&Drop in TDBGridPro is implemented in the standard properties and events:
DragMode, OnStartDrag, OnDragDrop, etc.


TDBGridPro.MultiSelect - enables or disables record multiselection. If 
multiselection is enabled user can select several records holding CONTROL 
or SHIFT keys.


TDBGridPro.OnSelectionChange - is called when current record in the gird
is changed or user selects additional records (MultiSelect = true).


TDBGridPro.OptionsBehavior
  gboNoIncomingDragTrack - disables tracking the record under mouse cursor.
  It is applicable if Drag&Drop was initiated by another control.

  gboNoInsideDragTrack - disables tracking the record under mouse cursor.
  It is applicable if Drag&Drop was initiated by the grid.
