TCustomListBox.ExtendedSelect property
True when a contiguous range of items can be selected using
Shift+Click. The default value is
True.
Declaration
property ExtendedSelect: Boolean read FExtendedSelect write SetExtendedSelect default True;Description
Normally a click into the list selects one item, and deselects all other items.
When MultiSelect is True, the user can select/deselect
further items with Ctrl+Click.
When ExtendedSelect is also True, the user can Shift-click
on an item, to select all items between this and the last selected item.
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.