Only one copy of a DLL can exist in memory at a time. For this reason, VB doesn’t allow you to create DLLs exposing single use instancing classes. An EXE, however, allows you to create OLE servers that can be instanced multiple times for multiple clients. If you need a new instance of the server for each client you must create an out-of-process server in an EXE file instead of a DLL.


What We Should Expect from Cell Phone Tech in the Near Future
The earliest cell phones included boxy designs full of buttons and antennas, and they only made calls. Needless to say, we’ve come a long way from those classic brick phones