Mapi Unicode Support

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MAPI Character Sets Microsoft Docs

    https://docs.microsoft.com/en-us/office/client-developer/outlook/mapi/mapi-character-sets
    MAPI defines the fMapiUnicode constant in the header file MAPIDEFS.H to represent the default character set. If a client or service provider supports Unicode, fMapiUnicode is set to MAPI_UNICODE. Clients and service providers that do not support Unicode set fMapiUnicode to zero. Service providers that do not support Unicode should:

IMAPIProp::GetProps and MAPI_UNICODE flag

    https://social.msdn.microsoft.com/Forums/sharepoint/en-US/99b387b5-0f32-4b12-a959-7900a7a97e52/imapipropgetprops-and-mapiunicode-flag
    Dec 27, 2019 · Either the MAPI_UNICODE flag was set and the implementation does not support Unicode, or MAPI_UNICODE was not set and the implementation supports only Unicode. " But there are no way to pass the MAPI_UNICODE flag at all! Edited by tempc Friday, December 27, 2019 6:15 AM;

MAPI Return Value Documentation Microsoft Docs

    https://docs.microsoft.com/en-us/office/client-developer/outlook/mapi/mapi-return-value-documentation
    A client or service provider sets the MAPI_UNICODE flag on a method or function call and the implementation does not support Unicode. Setting MAPI_UNICODE indicates that character strings passed in as input are Unicode strings and that character strings passed back as output are expected to be Unicode strings.

MAPI String Properties Microsoft Docs

    https://docs.microsoft.com/en-us/office/client-developer/outlook/mapi/mapi-string-properties
    MAPI provides three different property types to describe string properties: PT_TSTRING. PT_STRING8. PT_UNICODE. String properties are most commonly defined as PT_TSTRING. The PT_TSTRING property type conditionally compiles to one of the other string property types, depending depending on whether the UNICODE macro has been defined.

IMAPIContainerGetContentsTable Microsoft Docs

    https://docs.microsoft.com/en-us/office/client-developer/outlook/mapi/imapicontainer-getcontentstable
    MAPI_E_BAD_CHARWIDTH. Either the MAPI_UNICODE flag was set and the implementation does not support Unicode, or MAPI_UNICODE was not set and the implementation supports only Unicode. MAPI_E_NO_SUPPORT. The container has no contents and cannot provide a contents table. Remarks

How to declare that my Simple MAPI provider DLL is Unicode ...

    https://stackoverflow.com/questions/42099604/how-to-declare-that-my-simple-mapi-provider-dll-is-unicode-and-supports-mapisend
    Now, I'm trying to add Unicode support for it. I have implemented MapiSendMailW and have declared it into the "export" section of the DLL, so that MAPI DLL stub could see that it exports MapiSendMailW and is thus Unicode. However, this Unicode MapiSendMailW function of my DLL is never called. The ANSI version, MapiSendMail, is called instead.

Unicode MSG Files – SGriffin's MAPI Internals

    https://blogs.msdn.microsoft.com/stephen_griffin/2006/05/25/unicode-msg-files/
    May 25, 2006 · I’m working on an Exchange gateway that needs to support Unicode MAPI. The message I get from Exchange’s MTS_OUT queue allow me to GetProps as Unicode, but our gateway creates an intermediate MSG file using StgCreateDocfile & OpenIMsgOnIStg, and if I specify the unicode flag with that, it fails with MAPI_E_UNKNOWN_FLAGS.

How to access/open mailstore of Localized Exchange server ...

    https://social.msdn.microsoft.com/Forums/en-US/70b07111-8aa3-4897-99d3-7be175ab5da1/how-to-accessopen-mailstore-of-localized-exchange-server-any-version-installed-on-an-localized-os
    Mar 21, 2011 · Is there a separate MAPI CDO package for UNICODE support? However using our MAPI client application we are able to successfully logon and access any mailbox/mailstore (with Unicode char name) and even access Unicode data in it. The problem we see is ONLY when the exchange server is localized and installed on localized windows OS.



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