Hey Grig!!
You said ToolBar, but I assume you mean ToolBox ... All you have to do is right click on the ToolBox, choose "Add/Remove Items". When the Customize ToolBox dialog comes up, click the Browse button and find your .dll. That's all there is to it.
~~Bonnie
>Hello
>
>I have builded a dll containing my "base classes". How to add them in the toolbar, to have them handy to use?
>
>Thank you