Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Uncaught exception or assertion failure: System.Collections.Generic.KeyNotFoundException for listView's setSorting test scenario

See original GitHub issue

.NET version

.Net 7.0 SDK: 7.0.100-preview.5.22226.4

Did it work in .NET Framework?

Did it work in any of the earlier releases of .NET Core or .NET 5+?

Yes, it is a regression issue in recent .Net 7.0 build from main branch, cannot repro in .Net 7.0 SDK build: 7.0.100-preview.5.22220.23, it may be caused by PR: https://github.com/dotnet/winforms/pull/7029

Issue description

Uncaught exception or assertion failure: System.Collections.Generic.KeyNotFoundException when running automation XListView case for setSorting scenario

Steps to reproduce

We cannot get a manual repro, just met it when running our internal automation case about ListView with setSorting scenario, get following calll stack for product code:

Uncaught exception or assertion failure: System.Collections.Generic.KeyNotFoundException System.Collections.Generic.KeyNotFoundException: The given key ‘0’ was not present in the dictionary. at System.Collections.Generic.Dictionary`2.get_Item(TKey key) at System.Windows.Forms.ListView.ListViewNativeItemCollection.get_Item(Int32 displayIndex) in D:\WinForms\Fork\winforms\src\System.Windows.Forms\src\System\Windows\Forms\ListView.ListViewNativeItemCollection.cs:line 83 at System.Windows.Forms.ListView.ListViewItemCollection.get_Item(Int32 index) in D:\WinForms\Fork\winforms\src\System.Windows.Forms\src\System\Windows\Forms\ListView.ListViewItemCollection.cs:line 107 at System.Windows.Forms.ListView.WmReflectNotify(Message& m) in D:\WinForms\Fork\winforms\src\System.Windows.Forms\src\System\Windows\Forms\ListView.cs:line 6614 at System.Windows.Forms.ListView.WndProc(Message& m) in D:\WinForms\Fork\winforms\src\System.Windows.Forms\src\System\Windows\Forms\ListView.cs:line 6908 at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) in D:\WinForms\Fork\winforms\src\System.Windows.Forms\src\System\Windows\Forms\Control.ControlNativeWindow.cs:line 65 at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) in D:\WinForms\Fork\winforms\src\System.Windows.Forms\src\System\Windows\Forms\Control.ControlNativeWindow.cs:line 114 at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, WM msg, IntPtr wparam, IntPtr lparam) in D:\WinForms\Fork\winforms\src\System.Windows.Forms\src\System\Windows\Forms\NativeWindow.cs:line 369