NSTokenField for WinForms

Is there an available NSTokenField replacement from Mac OS X that I can use with WinForms? I would like to be able to add them by just manipulating the string with my tokens like this: "$MyToken$" and be replaced with "My Token" (I would have a data structure with this information) with the highlighted token. Like this: NSTokenField with mixed token/string input, possible?

Also, I would like it to have have a little X button to remove the token.

Thanks!

edit: I do have a pr开发者_运维百科eference for commercially avaiable or FOSS, only with certain licenses (Apache, MS-PL).