This is an easy trick to implement syntax coloring in Visual Studio IDE. It is not perfect, but the results are quite impressive 
Next, we are going to define "C/C++ user defined keywords":
usertype.dat
Until we get a complete usertype.dat, remember that everytime that you modify it, you have to exit and reload Visual Studio to activate it.
And here it is the result
In Visual Studio Options - Text Editor - File Extension you can map your custom file extension to a Visual Studio editor.
Next, we are going to define "C/C++ user defined keywords":
Also, make sure the "usertype.dat" file is copied to "C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE" and not "C:\Program Files\Microsoft Visual Studio 11.0\Common7\IDE"
usertype.dat
DEFINE
WINDOW
DIALOG
FONT
ACTIVATE
FROM
TITLE
COLOR
SAY
ON
RIGHT
CLICK
VALID
RESOURCE
CENTEREDUntil we get a complete usertype.dat, remember that everytime that you modify it, you have to exit and reload Visual Studio to activate it.
And here it is the result
