A month or so ago I was waist deep in Visual Studio automation code trying to figure out how to create a solution programmatically with multiple startup projects.  I searched and searched on the Internet, but could never find the answer.  I knew that the code I was writing was very, very close, but it wasn't working.  At the time I had to step away and work on other things that were more important, but today I was in and around that code and tried again.  I found the answer on good old Google in less than 10 minutes - http://www.dotnetmonster.com/Uwe/Forum.aspx/vs-ext/1609/Editing-DTE2-Solution-SolutionBuild-StartupProjects .  It is as simple as setting the StartupProjects property of the SolutionBuild object to an array of objects populated with the unique name of projects in the solution.  I had been trying to set it to a string array of the same thing!  Talk about close.  Either way job accomplished.  Our VS automation is now just a little more polished as a result.

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