https://learn.microsoft.com/en-us/windows/win32/api/msctf/nf-msctf-tf_createthreadmgr?redirectedfrom=MSDN
TF_CreateThreadMgr function (msctf.h) - Win32 apps | Microsoft Learn
The TF_CreateThreadMgr function creates a thread manager object without having to initialize COM. Usage of this method is not recommended, because the calling...
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