Set the property to true to prevents updating of the barcode component until the property is reset to false.
property Locked: Boolean;
Set the property to true before making multiple changes to the barcode component. When all changes are complete, change the property to false so that the changes can be reflected on screen. It prevents excessive redraws and speed processing time when change the barcode component.
Set the property to true is similar to BeginUpdate method of an other Delphi/C++ Builder control such as a ListBox, Memo, TreeList, ListView, and set the property to false is similar to its EndUpdate method.