Component editors

Component editors control the behavior of a component when double-clicked or right-clicked in the form designer. Classes that define a component editor must descend from TComponentEditor or one of its descendent classes. The class should be registered in the Register procedure using the function RegisterComponentEditor . Most of the methods of TComponentEditor are inherited from it's ancestor TBaseComponentEditor , and, if you are going to write a component editor, you need to be aware of this class and its methods. Declaration of TBaseComponentEditor is as follows:

TBaseComponentEditor = class
  protected
  public
    constructor Create(AComponent: TComponent;
                       ADesigner: TComponentEditorDesigner); Virtual;
    procedure Edit; Virtual; Abstract;
    procedure ExecuteVerb(Index: Integer); Virtual; Abstract;
    function  GetVerb(Index: Integer): String; Virtual; Abstract;
    function  GetVerbCount: Integer; Virtual; Abstract;
    procedure PrepareItem...