Visual Studio 2010 workflow designer Shows Build Tasks Without Borders

I'm having a display problem with the TFS build workflow visualizer in Visual Studio 2010.

Steps to reproduce:

1) Run devenv /safemode

2) Open DefaultTemplate.开发者_开发技巧xaml from source control. (Mine has not been modified since TFS created the project)

Expected behavior: All tasks displayed with border

Actual behavior: Only the currently selected task has borders displayed

I've never used the build workflow editor on this machine so I have no idea if it ever worked. ReSharper 6.0 was installed recently, but I uninstalled it and it had no effect.

Has anybody else seen behavior like this? Or know how to fix it?

Environment:

Microsoft Visual Studio 2010 Version 10.0.40219.1 SP1Rel Microsoft .NET Framework Version 4.0.30319 SP1Rel

Installed Version: Ultimate

Microsoft Office Developer Tools 01019-532-2002102-70357

Microsoft Visual Basic 2010 01019-532-2002102-70357

Microsoft Visual C# 2010 01019-532-2002102-70357

Microsoft Visual F# 2010 01019-532-2002102-70357

Microsoft Visual Studio 2010 Architecture and Modeling Tools 01019-532-2002102-70357

Microsoft Visual Studio 2010 Code Analysis Spell Checker 01019-532-2002102-70357

Microsoft Visual Studio 2010 Team Explorer 01019-532-2002102-70357

Microsoft Visual Web Developer 2010 01019-532-2002102-70357

Coded UI Test Editor 1.0

Crystal Reports Templates for Microsoft Visual Studio 2010

Hotfix for Microsoft Visual Studio 2010 Ultimate - ENU (KB2522890)

Hotfix for Microsoft Visual Studio 2010 Ultimate - ENU (KB2529927)

Hotfix for Microsoft Visual Studio 2010 Ultimate - ENU (KB2547352)

Hotfix for Microsoft Visual Studio 2010 Ultimate - ENU (KB2548139)

Hotfix for Microsoft Visual Studio 2010 Ultimate - ENU (KB2549864)

Hotfix for Microsoft Visual Studio 2010 Ultimate - ENU (KB2565057)

Microsoft Visual Studio 2010 SharePoint Developer Tools 10.0.40219

Microsoft Visual Studio 2010 Ultimate - ENU Service Pack 1 (KB983509)

Microsoft Visual Studio 2010 Visualization and Modeling Feature Pack 2.0

NuGet Package Manager 1.5.20902.9026

Theme Manager 1.0

Package for managing Visual Studio color schemes

It's more involved than this. After much googling and trying, I managed to get the flow to render correctly by:

1. setting the default theme in the "Visual Studio Color Theme Editor" Theme menu.
2. disabling the extension and restarting VS
3. -at this point the flow is displayed as it should -
4. enabling the extension again
5. setting my theme again (and thus getting rid of the "punch in my eye" default color scheme.

The problems now is that as soon as I restart VS again, I'm back to square one, i.e. no borders.

Package for managing Visual Studio color schemes

I had the same problem. It went away when I disabled the Visual Studio Color Theme Editor extension.