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USE_NATIVE_EH

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Use the USE_NATIVE_EH macro to enable C++ compiler switches for exception handling.

This macro is only used with unmanaged code. For more information about unmanaged code, see An Overview of Managed/Unmanaged Code Interoperability in the MSDN library.

Syntax

USE_NATIVE_EH=value

Parameters

  • value
    This parameter directs the Build utility to turn on compiler switches, as shown in the following table.

    Value C++ compiler flag Description

    1

    /EHsc

    Specifies the synchronous exception handling mode. This model supports C++ exception handling without structured exception handling exceptions.

    Note  The C++ compiler assumes that external C functions never throw an exception.

    ASYNC

    /EHa

    Specifies the asynchronous exception handling model. This model supports C++ exception handling with structured exception handling exceptions.

    CTHROW

    /EHsc

    Specifies the synchronous exception handling model. This model supports C++ exception handling without structured exception handling exceptions.

    Note  The C++ compiler assumes that external C functions can throw an exception.

     

Comments

Use the US_NATIVE_EH macro if you are using standard C++ exception handling statements, for example, try, catch, and throw. For more information about these statements, see The try, catch, and throw Statements in the MSDN library.

Example

If you specify the following in your Sources file:

USE_NATIVE_EH=1

The Build utility enables the /EHsc compiler switch when it builds your C++ source files.

See Also

Sources

 

 

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Build date: 5/3/2011