I have two different VS 2005 solutions. One is the UI, the other is my Business Objects. To ease development efforts, I have both solutions open at the same time in separate instances of VS 2005.

If I make a change to the Business DLL, and compile it, and then go to make use of that change in my UI, the only way I can see to do it is to close down the UI instance of VS 2005 and re-open the UI solution. Once it is loaded, if I type...