Add Line Length Marker in Visual Studio

To add a guiding verical line for the length of the lines in Visual Studio do as follows:

  1. Open registry editor
  2. Navigate to HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\*.0\Text Editor (* depends on your version of VS, 8.0 = VS 2005 and 9.0 = VS 2008)
  3. On the right pane add a new string value and name it "Guides"
  4. Double click on the newly created string value "Guides" and put the following as its value "RGB(255, 20, 147) 80" including the apostrophes. The string specifies two properties – RGB(255, 20, 147) – the color of the line and 80 the line length. You can adjust them to suite your needs.
  5. Close registry editor and restart the Visual Studio.


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{ 9 comments to read ... please submit one more! }

  1. Brilliant! Thanks.

  2. Great work. But there is a problem with this method. The red marker gets added to the output window and command window also. If this can be avoided, it will be great.

  3. Your trick worked very well with VS2008. However, it does not work for VS2010. Do you have any idea how one can do the same thing VS2010?

  4. I don’t have VS 2010 installed.

  5. Thanks for the update on Visual Studio 2010.

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