How To Integrate Custom DDX /DDV in 32-bit ClassWizard Interface

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TN026 describes how users can integrate their own DDX and DDV routines into the Class Wizard interface. For Visual C++ version 2.x, this is accomplished by adding an [ExtraDDX] section and its appropriate entries to the APSTUDIO.INI file in the Windows NT root directory. For Visual C++ version 4.0, this is accomplished by adding the necessary entries to either the [General Info] section of a particular project's .CLW file or in the [ExtraDDX] section of the DDX.CLW file in the \MSDEV\BIN directory. The required format for entries of both sections, [ExtraDDX] and [General Info] is clearly specified.

TN026 recommends that if a user plans to use the customized DDX and DDV routines in many projects, they should add the appropriate entries to the [ExtraDDX] section of the Visual C++ version 2.x APSTUDIO.INI file or the the Visual C++ version 4.0 DDX.CLW file. TN026 further recommends that if a user of Visual C++ version 4.0 plans to create these custom routines for just a few projects, then it is better to just modify the [GeneralInfo] section of the .CLW files for the particular projects.

By default, APSTUDIO.INI and DDX.CLW are not created. To do so, simply use a text editor and add the [ExtraDDX] section or the [GeneralInfo] section, respectively, as discussed above. APSTUDIO.INI must be placed into the Windows NT root directory; DDX.CLW must be placed in the %MsDevDir%\BIN directory, where %MsDevDir% is the full path to the installation directory of Visual C++ version 4.0.