Delphi subclass visual component and use it

Question

I would like to subclass TToolBar with another class called MyTToolBar so that I can override a method. I\'m new to Delphi, but after two hours of trying various methods, I

Answer 1

Create a unit for you class:

Unit YourComponent;
interface
uses
 ....
Type
 TYourNewClass=Class(ExistingClass)
   private
   ...
   protected
   ...   
   public
   ...
   published
  end;

  procedure Register;

implementation

.....

procedure Register;
begin
  RegisterComponents('YourPalette', [TYourNewClass]);
end;

create a new package (or open an own existing) and add you unit choose install on you Package.bpl.