I have an existing project. When right clicking any folder in my content folder and pressing get sitecore items (selecting all children in there) I get the following error in the Team Development for Sitecore output:

Exception OnPropertyChanged must be called on the UI thread. (COMException):
   at Microsoft.VisualStudio.Shell.ThreadHelper.ThrowIfNotOnUIThread(String callerMemberName)
   at Microsoft.VisualStudio.Platform.WindowManagement.OrderableProject.OnPropertyChanged(UInt32 itemid, Int32 propid, UInt32 flags)
   at Microsoft.VisualStudio.Project.HierarchyNode.ReDraw(UIHierarchyElement element)
   at HedgehogDevelopment.SitecoreProject.VSIP.SitecoreItemNode.RefreshItemInProject()
   at HedgehogDevelopment.SitecoreProject.VSIP.SitecoreItemNode.RefreshSitecoreInfo(String sitecoreItemPath)
   at HedgehogDevelopment.SitecoreProject.VSIP.SitecoreItemNode.RefreshSitecoreInfo()
   at HedgehogDevelopment.SitecoreProject.VSIP.Dialogs.GetItemStatus.GetItem(CheckedSitecoreItem item, Dictionary`2 createdNodes)
   at HedgehogDevelopment.SitecoreProject.VSIP.Dialogs.GetItemStatus.GetItemsWorker()

The UI shows the following:

enter image description here

I am using

  • Visual Studio 2019 (as admin)
  • TDS
  • Sitecore 7.2

Tried googling it, but none of the results for that error where TDS related.

I have done a right click + quick push items before attempting this. Not sure if this could have any effect.

  • I have the same thing. Have you found the solution?
    – Alexander
    Commented Apr 29, 2021 at 15:27

1 Answer 1


I was able to workaround this issue by selecting the Sync with Sitecore option and pulling my content into the project that way.

Sync with Sitecore

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