Type “regedit” on run and find follwing;
[HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\9.0\Text Editor]
Add new String value to Text Editor and name it as “Guides”
Enter its value as “RGB(204,204,204) 99”
Visual Studio 2008 Text Editor looks like this;
C R M F o r t r e s s | Indika's Dynamics 365 CE Blog 