C++基礎(chǔ)(結(jié)構(gòu)異常)

__try
    {
    ......
    }
    __except (EXCEPTION_EXECUTE_HANDLER)
    {
    wprintf(GetExceptionDescribe(GetExceptionCode()));
    }
    #pragma once
    typedef struct tagExcpCode
    {
    DWORD dwCode;
    LPTSTR lpDescribe;
    }EXCPCODE,*PEXCPCODE;
    EXCPCODE g_excp_table[]=
    {
    EXCEPTION_ACCESS_VIOLATION,
    _T("The thread attempts to read from or write to a virtual address for which it does not have access."),
    EXCEPTION_ARRAY_BOUNDS_EXCEEDED,
    _T("The thread attempts to access an array element that is out of bounds, and the underlying hardware supports bounds checking."),
    EXCEPTION_BREAKPOINT,
    _T("A breakpoint is encountered."),
    EXCEPTION_DATATYPE_MISALIGNMENT,
    _T("The thread attempts to read or write data that is misaligned on hardware that does not provide alignment. For example, 16-bit values must be aligned on 2-byte boundaries, 32-bit values on 4-byte boundaries, and so on."),
    EXCEPTION_FLT_DENORMAL_OPERAND,
    _T("One of the operands in a floating point operation is denormal. A denormal value is one that is too small to represent as a standard floating point value."),
    EXCEPTION_FLT_DIVIDE_BY_ZERO,
    _T("The thread attempts to divide a floating point value by a floating point divisor of 0 (zero)."),
    EXCEPTION_FLT_INEXACT_RESULT,
    _T("The result of a floating point operation cannot be represented exactly as a decimal fraction."),
    EXCEPTION_FLT_INVALID_OPERATION,
    _T("A floatin point exception that is not included in this list."),
    EXCEPTION_FLT_OVERFLOW,
    _T("The exponent of a floating point operation is greater than the magnitude allowed by the corresponding type."),
    EXCEPTION_FLT_STACK_CHECK,
    _T("The stack has overflowed or underflowed, because of a floating point operation."),
    EXCEPTION_FLT_UNDERFLOW,
    _T("The exponent of a floating point operation is less than the magnitude allowed by the corresponding type."),
    EXCEPTION_GUARD_PAGE,
    _T("The thread accessed memory allocated with the PAGE_GUARD modifier."),
    EXCEPTION_ILLEGAL_INSTRUCTION,
    _T("The thread tries to execute an invalid instruction."),
    EXCEPTION_IN_PAGE_ERROR,
    _T("The thread tries to access a page that is not present, and the system is unable to load the page. For example, this exception might occur if a network connection is lost while running a program over a network."),
    EXCEPTION_INT_DIVIDE_BY_ZERO,
    _T("The thread attempts to divide an integer value by an integer divisor of 0 (zero)."),
    EXCEPTION_INT_OVERFLOW,
    _T("The result of an integer operation causes a carry out of the most significant bit of the result."),
    EXCEPTION_INVALID_DISPOSITION,
    _T("An exception handler returns an invalid disposition to the exception dispatcher. Programmers using a high-level language such as C should never encounter this exception."),
    EXCEPTION_INVALID_HANDLE,
    _T("The thread used a handle to a kernel object that was invalid (probably because it had been closed.)"),
    EXCEPTION_NONCONTINUABLE_EXCEPTION,
    _T("The thread attempts to continue execution after a non-continuable exception occurs."),
    EXCEPTION_PRIV_INSTRUCTION,
    _T("The thread attempts to execute an instruction with an operation that is not allowed in the current computer mode."),
    EXCEPTION_SINGLE_STEP,
    _T("A trace trap or other single instruction mechanism signals that one instruction is executed."),
    EXCEPTION_STACK_OVERFLOW,
    _T("The thread uses up its stack."),
    };
    int g_excp_tableCount = sizeof(g_excp_table)/sizeof(g_excp_table[0]);
    LPTSTR GetExceptionDescribe(DWORD dwCode)
    {
    for (int i=0;i    {
    if (g_excp_table[i].dwCode==dwCode)
    {
    return g_excp_table[i].lpDescribe;
    }
    }
    return _T("Unkown Exception!");
    }