How to Limit the content in the paperSize combobox in page setup dialog box

Question

Hi everyone,

    I am using Page setup dialog box to configure the page which I will print using the Printing libraries in c#. Now the problem is in the page setup dialog box, the papersize combobox is list the size of papers for eg. A4,Letter etc. I need only a few paper size has to be listed in that. I can programmetically control to enable or disable the combobox but I could not find out the control to limit th papersource content listed in that combobox. If anyone knows the answer Please let me know about it.

Regards
Kandy