C# handheld image sign

Question

Hello everyone,

I have this question, im working in c# for portable terminals, like lxe mx8, i need to make a program that with a rectangle, the user sign´s inside this rectangle and store its sign like a image, also i have to create a txt file with all the information about the user, this is like ups or dhl uses to deliver a package to the receiver.

Anyone knows any software like this, or how to store like image the sign and create a txt with the user information?.

Thanks.