Here are some basic steps:
1. Create new package project in delphi.
2. Go to Component / Import Component and select "Import a Type Library.
3. Click "Add"
4.Go to "C:\Program Files(x86)\Common Files\Autodesk Shared" and select : acax18enu.tlb
5. Select a pallet page you want to install it (usuallt ActiveX) and click next
6.Select "Add Unit to Package" and click finish. you will see a new AutoCAd_TLB unit created.
7. On the righ pane right click in package1.bpl and click on "install" and the OK
you will se your new components in the Actve X pallet when crating new applications.
Dont forget to include "AutoCAd_TLB" in the uses clause for your units.
Regards,
Mario.