When RadRichTextBox for WPF is hosted in a WinForms application (through ElementHost), typing with Japanese IME duplicates the typed letters, which makes the control unusable with the default behavior. Possible workaround: Create custom caret. There are some suggestions in this forum thread: https://www.telerik.com/forums/richtextbox-doesn't-support-japanese-ime-when-hosted-in-winforms
Hello,
We have researched this item and the issue is that the. NET events are not fired the same way when hosting a modal dialog. This issue can not be fixed since it breaks the original functionality. I have attached a sample project showing a workaround for this case.
The workaround is for Q1 2025 version where we have refactored the entire IME support.
Regards,
Dimitar
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