我可以同时从Winforms应用中上传文件和模型到MVC 4中吗?

I am required to integrate a signature pad into an intranet (MVC4) application allowing people to apply electronic signatures to system generated documents. Unfortunately, the signature pad I've been given only has a COM/ActiveX API, so I've written a short Windows Forms application that will allow the user to capture the signature and upload it to the server. When it is uploaded, I need the MVC4 action to associate the signature image with a specified document entity sent by the Windows Forms request. So, say I have this model:I am required to integrate a signature pad into