To enable this feature, use the Quick Setupoptions page, Editor | All Languages | Right Margin Lineoptions page or the CodeRush Visualize toolbar.
The Right Margin Line helps you limit the code line's length if you code style guides include such a limitation. The margin does not prevent you from typing but indicates where to break a line and see which lines extend past the margin.
The Right Margin Line appearance is highly configurable. You can also use the margin value specified on the Editor | <Language> | Formatting | General options page for the supported languages.
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