Update 22nd Feb 2013: The Microsoft Connect entry has note from Alok Shriram (Program Manager, Base Class Libraries, .NET Framework) that the issue should now be resolved. The Connect entry is marked as Resolved (Fixed):

This issue should now be fixed. We published an update to reference sources. Please let us know in case your issue is still not fixed.

Year and a half.

Bonus Links

• Vote that this bug be fixed on Microsoft Connect.

• Thread on Microsoft Social that has been going for a year and a half, asking when it will be fixed.

Original Question

How do I enable .NET framework source stepping in Visual Studio 2010?

Note: This question is one piece of a larger whole:

• .NET 2.0 WinForm: Supporting DPI and Default Font Changes
• WinForms controls do not scale during ScaleControl
• VS2010: How to enable "Enable .NET Framework source stepping"?
• Visual Studio 2010 Professional: How to access Modules window?
• Visual Studio 2010: Properties.Settings broken after retargetting project to .NET Framework 3.5

Visual Studio 201