System.NullReferenceException in Avalonia.Controls.Utils.KeyboardHelper

[scottdoingwork]

Describe the bug

var keymap = TopLevel.GetTopLevel(target)!.PlatformSettings!.HotkeyConfiguration;
TopLevel.GetTopLevel(target) returns null, causing program crash.

System.NullReferenceException
HResult=0x80004003
Message=Object reference not set to an instance of an object.
Source=Avalonia.Controls.DataGrid
StackTrace:
at Avalonia.Controls.Utils.KeyboardHelper.GetPlatformCtrlOrCmdKeyModifier(Control target) in Avalonia.Controls.Utils\KeyboardHelper.cs:line 22
......
at Avalonia.Win32.WindowImpl in src\Windows\Avalonia.Win32\WindowImpl.AppWndProc.cs 769

To Reproduce

Put DataGrid in a popup. Pressing mouse left button on datagrid let popup close immediately.

Expected behavior

Program won't crash in this situation.

Avalonia version

11.0.11

OS

Windows

Additional context

No response

[MidnightEmpire]

Same issue... Maybe exist some workaround?

[timunie]

Best "workaround" would be to clone the source, try to solve the issue and file a PR.

[maxkatz6]

Yeah, it should be easy to add a null check.
Not necessary the best solution there, as PlatformSettings should not be null for popups.