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Important This document may not represent best practices for current development, links to downloads and other resources may no longer be valid. Current recommended version can be found here.


Defines whether incorrect use of Checked Iterators causes an exception or a program termination. If defined as 1, an out of range iterator use causes an exception at runtime. If defined as 0, the program is terminated by calling invalid_parameter. The default value for _SECURE_SCL_THROWS is 0, meaning the program will be terminated by default. Requires _SECURE_SCL to also be defined.

To enable checked iterators to throw an exception on incorrect use, set _SECURE_SCL to 1 and _SECURE_SCL_THROWS to 1:

#define _SECURE_SCL 1

To enable checked iterators to terminate your program on incorrect use, set _SECURE_SCL to 1 and _SECURE_SCL_THROWS to 0:

#define _SECURE_SCL 1

To disable checked iterators, set _SECURE_SCL to 0.

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