Access rights elevator for Win7 and Vista

We are looking for a developer who can make us a module to access special folders in Vist and Win7 module have to work in XP, too, but no evelate method. Make sure it will not crash on XP. The module have to be a DLL with Lib. Easy access API/Interface Todo: 1.) Softfware will give a path to the module, module have to check if user have access rights to the path (Create or Write). If not, module will elevate main software to admin level. (Like installer do) 2.) Software will send command to set access rights to ALL for Reading and writing, for the given path. For this module will elevate main software to amdin levele and set the new rights. Development: Visual Studio 2008 Unicode Character Set Developer have to do a little, dialog based, sample app.