Welcome to the WinForms feedback portal. We’re happy you’re here! If you have feedback on how to improve the WinForms, we’d love to hear it!

  • Check out the features or bugs others have reported and vote on your favorites. Feedback will be prioritized based on popularity.
  • If you have feedback that’s not listed yet, submit your own.

Thanks for joining our community and helping improve Syncfusion products!


Null reference Exception while opening the BackStageView when Ribbon is placed inside the TabControlAdv. The HostForm is null in GetBackStageBounds() method of BackStageView.cs.

Replication Steps

1. Run the sample.
2. Open the BackStageView.
3. Note that the Null Reference Exception occurs.