TCustomControlBar.BeginUpdate procedure
Increments the internal counter used to track the number of active update requests.
Declaration
procedure BeginUpdateDescription
Used in conjunction with EndUpdate to consolidate redraw requests for the control. Various methods check the value in the internal update counter before calling Invalidate to ensure that an unfinished update is not in progress. Invalidate is called in these methods when the internal counter reaches 0 (zero).
See also
An experiment, built from development snapshots. Not the official Free Pascal or Lazarus documentation.