I was stoked to find Visual Micro. So great to have my c# code and sketches managed together in VS2013. I followed the First Steps instruction (http://www.visualmicro.com/page/User-Guide.aspx?doc=index) successfully until "Compiling, Uploading, and Running your Sketch". I used the default empty sketch created for a new project and noticed that:
1. The compilation failed with syntax errors on some of the .h files [ref below]
2. There were lots of Intellisense errors. 

Anyone able to help? Not keen to abandon Visual Micro at the first hurdle.. but have to head back to the Arduino IDE until I can get a successful compile & upload.

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Compile output on completely clean installation of Visual Micro today:

Compiling 'DeleteMe4' for 'Arduino Micro'
WString.h:In file included from
arduino.h:from
DeleteMe4.ino:from
stdlib.h:In function 'void abort()'
stdlib.h:106: error: expected primary-expression before '__attribute__'
stdlib.h:106: error: expected `;' before '__attribute__'
stdlib.h:At global scope
stdlib.h:111: error: expected unqualified-id before 'int'
stdlib.h:111: error: expected `)' before 'int'
stdlib.h:111: error: expected `)' before 'int'
Error compiling

Hey Tim, thanks for responding. I'm feeling a bit stupid right now. Seems the Arduino IDE was fried, so uninstalled/reinstalled it and it's all good now. Now.. into the code I dive ....