Windows® via C/C++, Fifth Edition

GetExceptionCode

Often an exception filter must analyze the situation before it can determine which value to return. For example, your handler might know what to do if a divide by 0 exception occurs, but it might not know how to handle a memory access exception. The exception filter has the responsibility for examining the situation and returning the appropriate value.

This code demonstrates a method for identifying the kind of exception that has occurred:

__try {
   x = 0;
   y = 4 / x;  // y is used later so this statement is not optimized away
   ...
}

__except ((GetExceptionCode() == EXCEPTION_INT_DIVIDE_BY_ZERO) ?
   EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH) {
   // Handle divide by zero exception.
}

The GetExceptionCode intrinsic function returns ...