how to get default model

Hello sir,

      

            Good Morning....

             How to get the default model (ucs) name. I have attached my snapshot. If you see once easily you understand.  If i open the part which contain diagram with list of UCS means, the list of all UCS are displayed into Combobox. Similarly I want Default Model name, why means if I open a New part means that Default Model Name should be Display defaultly into that ComboBox. Please reply as soon as possible. I am expect favourable reply from your end..

Thanking You,

P.Satheesh M.C.A., Software Developer,

MetalCam Techologies,

Banglore.

SolidworksApi macros