Had to play recently with Atmel Studio and even I liked its black theme I couldn't cope with mising basic preview feature like SE has ("Peek definition" is missing from AS 7.0) so had to revive an old sync macro, as AS is based on Visual Studio 2015.
The macro helps jumping quickly from AS to SE or inverse and is based on a dll originated few years ago by Gary Ash (files, instructions and full source code attached).
Note: the dll is compiled for Windows 64-bit, if 32-bit is needed the source code is attached, just open SEtoVS.sln, select Release/Win32 and Rebuild.