Compiling the Assembly
Now that you have created a class library with two classes (Patient and Physician), it is time to compile your assembly. In VB6, you would compile a COM component, but you aren't in VB6 anymore. Instead, you are writing for the .NET Framework, and that means you will be compiling an assembly. The assembly might have a .DLL extension, but it is not a traditional DLL in the Windows API sense, nor is it a COM DLL in the VB6 sense.
Building the assembly is fairly easy. The build option is no longer on the File menu, but is now a separate menu labeled Build. If you click on the Build menu, you will see several choices. Because you have a solution in this example, with a class library (Healthcare) and Windows application (HealthcareClient), ...
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