jdcolts8

Basically, what I want to do is have an application that listens to a port and receives order lines in (from a VB.net program), writes to an Sqlite database and displays the data in a ListView. Then, after receiving a specific signal, it allows the user to draw their signature and send the bitmap image back to VB program.
I have already written the individual parts of this application but am struggling to bring it together. What I would like to know is the best way to do this and how each part of the application needs to run (services, broadcast receivers etc).

Any help would be much appreciated.