Adding a guideline to the editor in Visual Studio
Introduction
I've always been searching for a way to make Visual Studio draw a line after a certain amount of characters.
Below is a guide to enable these so called guidelines for various versions of Visual Studio.
Visual Studio 2013
Install Paul Harrington's Editor Guidelines extension for VS 2013
Visual Studio 2010 and 2012
VS 2010:
HKEY_CURRENT_USERSoftwareMicrosoftVisualStudio10.0Text Editor VS 2012:
HKEY_CURRENT_USERSoftwareMicrosoftVisualStudio11.0Text Editor and add a new string called
Guides with the value RGB(100,100,100), 80 . The first part specifies the color, while the other one ( 80 ) is the column the line will be displayed. Visual Studio 2008 and Other Versions
If you are using Visual Studio 2008 open the registry at HKEY_CURRENT_USERSoftwareMicrosoftVisualStudio9.0Text Editor and add a new string called Guides with the value RGB(100,100,100), 80 . The first part specifies the color, while the other one ( 80 ) is the column the line will be displayed. The vertical line will appear, when you restart Visual Studio.
This trick also works for various other version of Visual Studio, as long as you use the correct path:
2003: HKEY_CURRENT_USERSoftwareMicrosoftVisualStudio7.1Text Editor
2005: HKEY_CURRENT_USERSoftwareMicrosoftVisualStudio8.0Text Editor
2008: HKEY_CURRENT_USERSoftwareMicrosoftVisualStudio9.0Text Editor
2008 Express: HKEY_CURRENT_USERSoftwareMicrosoftVCExpress9.0Text Editor
This also works in SQL Server 2005 and probably other versions.
This is originally from Sara's blog.
It also works with almost any version of Visual Studio, you just need to change the "8.0" in the registry key to the appropriate version number for your version of Visual Studio.
The guide line shows up in the Output window too. (Visual Studio 2010 corrects this, and the line only shows up in the code editor window.)
You can also have the guide in multiple columns by listing more than one number after the color specifier:
RGB(230,230,230), 4, 80
Puts a white line at column 4 and column 80.
Be sure to pick a line color that will be visisble on your background. This color won't show up on the default background color in VS. This is the value for a light grey: RGB(221, 221, 221).
Here are the registry keys that I know of:
Visual Studio 2010 : HKCUSoftwareMicrosoftVisualStudio10.0Text Editor
Visual Studio 2008 : HKCUSoftwareMicrosoftVisualStudio9.0Text Editor
Visual Studio 2005 : HKCUSoftwareMicrosoftVisualStudio8.0Text Editor
Visual Studio 2003 : HKCUSoftwareMicrosoftVisualStudio7.1Text Editor
For those running Visual Studio 2010, you may want to install the following extensions rather than changing the registry yourself:
http://visualstudiogallery.msdn.microsoft.com/en-us/0fbf2878-e678-4577-9fdb-9030389b338c
http://visualstudiogallery.msdn.microsoft.com/en-us/7f2a6727-2993-4c1d-8f58-ae24df14ea91
These are also part of the Productivity Power Tools, which includes many other very useful extensions.
Without the need to edit any registry keys, the Productivity Power Tools extension (available for all versions of visual studio) provides guideline functionality.
Once installed just right click while in the editor window and choose the add guide line option. Note that the guideline will always be placed on the column where your editing cursor is currently at, regardless of where you right click in the editor window.
To turn off go to options and find Productivity Power Tools and in that section turn off Column Guides . A reboot will be necessary.
There is now an extension for Visual Studio 2012 and 2013:
http://visualstudiogallery.msdn.microsoft.com/da227a0b-0e31-4a11-8f6b-3a149cf2e459
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