Case Study: Porting an MFC Application to Unicode
Harley Rosnow - Microsoft Corporation
The web authoring tool, Microsoft FrontPage, was originally written to support only US English using MFC by the startup, Vermeer Technologies, Inc. After its aquisition, FrontPage was then enhanced to support multiple languages using code pages by Microsoft Corporation. This paper presents the subsequent conversion of this application to handle Unicode data on all Windows platforms while still maintaining its use of non-Unicode MFC. We review (1) how Unicode and non-Unicode messages, windows and data are handled in Windows, (2) the particular challenges that MFC presents when creating a Unicode application that needs to also run on Windows 95 and Windows 98 and (3) the solutions devised to overcome those challenges during this effort.
(R) 'FrontPage' and 'Microsoft' are registered trademarks of Microsoft Corporation.
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