Sangsu Lee

same for me, for 0.49.6

The last reason the exception occurs... private void VerifyTextStoreConsistency() { if (_netCharCount != TextContainer.IMECharCount) { Invariant.Assert(condition: false, "TextContainer/TextStore have inconsistent char counts!"); } }

Similar Issue https://github.com/dotnet/wpf/pull/4985

Based on my investigation into the exception call stack trace, it appears that this issue occurs during the OnAttach process of the TextStore. If rapid input is provided to the...

For the time being, this is my workaround : This code makes time for the TextStore OnAttach to finish without being interrupted ``` private void radGridView_PreparingCellForEdit(object sender, GridViewPreparingCellForEditEventArgs e) {...

I have the same problem. The exception FatalExecutionEngineError always occurs when typing in Korean very quickly and pressing Enter in succession in the GridView.

https://github.com/user-attachments/assets/2ae41bf6-db28-4adf-bf2c-552a37ee50e9

this is the call stack of the exception. [External Code] > TextInputFramework.dll!CACPWrap::RequestLock(unsigned long,long *) Unknown TextInputFramework.dll!SafeRequestLock(struct ITextStoreAnchor *,unsigned long,long *) Unknown TextInputFramework.dll!CInputContext::_OnSelectionChangeInternal(int) Unknown TextInputFramework.dll!CInputContext::OnSelectionChange(void) Unknown TextInputFramework.dll!CACPWrap::OnSelectionChange(void) Unknown [External Code] TextInputFramework.dll!CDocumentInputManager::OnTransitoryExtensionUpdated(struct...

The last reason the exception occurs... private void VerifyTextStoreConsistency() { if (_netCharCount != TextContainer.IMECharCount) { Invariant.Assert(condition: false, "TextContainer/TextStore have inconsistent char counts!"); } }

Similar Issue https://github.com/dotnet/wpf/pull/4985