How do I enable syntax highlighting of CUDA .cu files in Visual Studio 2010?

Question

When I edit a .cu file in Microsoft Visual Studio 2010, the editor treats it as a regular text file (there are no colors on keywords such as int, <

Answer 1

In addition to what someone else has already said (adding cu extension in Tools -> Options -> Text Editor -> File Extension and Microsoft Visual C++ as editor), I also recommend you, in order to avoid the highlighting of CUDA keywords (like threadIdx.x etc), to include:

#include