THeaderSections.Update procedure
Performs actions needed when a collection item has been changed.
Declaration
procedure Update(Item: TCollectionItem); overrideArguments
Item | Section updated in the collection for the header control. |
Description
Update is an overridden method used to update the section in the
header control. When Item is assigned, the UpdateSection method in the
THeaderControl instance is called. If Item is unassigned (contains
Nil), the UpdateSections method in the THeaderControl instance is
called update all sections in the collection.
Update does not call the inherited method which notifies observers of
the change.
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.