unit MyEdit;interfaceuses
  Windows, Messages, SysUtils, Classes, Controls, StdCtrls;type
  TMyEdit = class(TEdit)
  private
    { Private declarations }
  protected
    { Protected declarations }
  public
    { Public declarations }
  published
    { Published declarations }
  property
    Color;
    Text;
    ......等等
  end;procedure Register;implementationprocedure Register;
begin
  RegisterComponents('Samples', [TMyEdit]);
end;end.