CLR cannot create .NET-based COM objects in UWP
问题 I have created a Class Library (.NET Framework 4.7.1) that implements a Text Service ( ITfTextInputProcessorEx etc.) in TSF, using ComVisible attribute. I registered it using RegistrationServices and it can be successfully recognised by the system as an Input Method (IME) and can be used in most applications, except UWP apps. Using in Win32 app In a Win32 app (the 32-bit notepad.exe for example), here is what happens when I activate my .NET-based TextService (by switching to the IME in the