Brush-up - part 2

Mission:

You have received randomly an USB-key including a DLL-file and some documentation.
From these files and information, you are to build an application, which make use of the functionality  provided of the DLL-file.

Exercise:

Create a project (console, wpf or windows store app) e.g. ‘CalculatorApp’.

In this project, include the DLL-file.

• Step 1: in the solution find the references
• Step 2: add new reference
• In the reference Manager choose browse  
• Use the browse button to find your DLL-file at your usb-key
• Then it is ok-button and your DLL-file is attached to this project.
• Step 3: ready to program and create objects of the class (es) within the DLL-file - together with the documentation.

Make your User Interface

Start simple and then make it more and more advanced e.g. start with the addition function.