Show annotations, hints, code preview, and more in Visual Studio scroll bars

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The scroll bar area is a mighty tool in Visual Studio that can bring you a lot of additional information with annotations, hints, and a code preview.

To activate the enhanced scroll bar, perform a right-click on it and select Scroll Bar Options. You can either define a common behavior for all languages or set individual values for every single language. Activate all annotation options and use the map mode option with a wide source overview setting.

Your scroll bar will show compiler errors, search hits, and a code preview if you hover your mouse over it.

Video of scroll bar options in Visual Studio by author
Video of scroll bar options in Visual Studio by author

There are also a lot of extensions in the Visual Studio marketplace that make use of the scroll bar annotation feature like Match Margin.

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