hi,this is nasir mehmood. i am software engineer and have more than 18 years of development experience in embedded systems, database design, web design, graphics and mobile applications. i have extensive knowledge of working with assembly, c, c++,vc++ .net, java and vb .net. i have gone through the details of your requirement.i have done many similar jobs in previous years. if you want wrapper only,i can do it as well and i can build the dll from scratch which you can use in any .net language. these sort of utilities always needs to have low level access and for this purpose vc++ .net with assembly integration is best choice for nice gui and better functionality. i have fully grasp over these tools. so i offer you my expertise for you solution. if you are interested in working with me then feel free to contact me for further details. thanks