public static extern HRESULT TF_GetThreadMgr(ITfThreadMgr **pptim);
public static extern int TF_CreateThreadMgr(ITfThreadMgr **pptim);
public static extern int TF_GetThreadMgr(ITfThreadMgr **pptim);
public static extern int TF_GetThreadMgr([NativeTypeName("ITfThreadMgr **")] ITfThreadMgr **pptim);