Corel X3 VBA Macro/Script

We're looking for 2 short scripts to be written for the Use in Corel X3 that will perform bitmap to vector tracing. I have attached a detailed word document for what needs to be done We're looking for 2 deliverables - One a code only version that can be shortkeyed in Corel 2nd Version is a small box that will allow the user to toggle between color modes.