WPF TextBox输入时崩溃了

[yeqilve]

Description

报错堆栈
---- Assert Short Message ----
Invariant failure:
---- Assert Long Message ----

at MS.Internal.Invariant.FailFast(String message, String detailMessage)
at MS.Internal.Invariant.Assert(Boolean condition)
at System.Windows.Documents.TextStore.UpdateCompositionText(FrameworkTextComposition composition)
at System.Windows.Documents.TextStore.RaiseCompositionEvents(Int32& appSelectionAnchorOffset, Int32& appSelectionMovingOffset)
at System.Windows.Documents.TextStore.HandleCompositionEvents(Int32 previousUndoCount)
at System.Windows.Documents.TextStore.GrantLockWorker(LockFlags flags)
at System.Windows.Documents.TextStore.RequestLock(LockFlags flags, Int32& hrSession)
at MS.Win32.UnsafeNativeMethods.ITfMessagePump.GetMessageW(MSG& msg, IntPtr hwnd, Int32 msgFilterMin, Int32 msgFilterMax, Int32& result)
at MS.Win32.UnsafeNativeMethods.ITfMessagePump.GetMessageW(MSG& msg, IntPtr hwnd, Int32 msgFilterMin, Int32 msgFilterMax, Int32& result)
at System.Windows.Threading.Dispatcher.GetMessage(MSG& msg, IntPtr hwnd, Int32 minMessage, Int32 maxMessage)
at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
at System.Windows.Threading.Dispatcher.PushFrame(DispatcherFrame frame)
at System.Windows.Threading.Dispatcher.Run()
at System.Windows.Application.RunDispatcher(Object ignore)
at System.Windows.Application.RunInternal(Window window)
at System.Windows.Application.Run(Window window)
at System.Windows.Application.Run()
at WpfApp1.App.Main()

Reproduction Steps

重现方式
window.xaml



window.cs
public MainWindow()
{
InitializeComponent();
test.Text = "1234\n123441";
test.SelectAll();
test.Focus();
}

mainwindow 展示的时候
输入任意字符 就crash了

去掉selectAll 就正常了

Expected behavior

。

Actual behavior

。

Regression?

No response

Known Workarounds

No response

Impact

No response

Configuration

No response

Other information

No response

[miloush]

Possibly duplicate of #7304?

[yeqilve]

Possibly duplicate of #7304?

yes