谁能解释下 下面这几句
谢谢!!!!!!!!!!!!!!!!!!!!!!
#define BEGIN_AWMSG_MAP(theClass,baseClass) \
AW_MSGMAP* theClass::GetAWMsgMap() const \
{ return &theClass::AWMsgMap;} \
AW_MSGMAP theClass::AWMsgMap = \
{&(baseClass::AWMsgMap), \
(AW_MSGMAP_ENTRY*) (theClass::_AWMsgEntries) }; \
AW_MSGMAP_ENTRY theClass::_AWMsgEntries[] = \
{#define ON_AWMSG(id,memberFxn) {(LOW_AW_TYPE)id,(LPF_AWPROC)(memberFxn)},//spfee modify at 20100525 for pclint
#define END_AWMSG_MAP() \
{enLAW_Butt,(LPF_AWPROC)0} \
};
谢谢!!!!!!!!!!!!!!!!!!!!!!
#define BEGIN_AWMSG_MAP(theClass,baseClass) \
AW_MSGMAP* theClass::GetAWMsgMap() const \
{ return &theClass::AWMsgMap;} \
AW_MSGMAP theClass::AWMsgMap = \
{&(baseClass::AWMsgMap), \
(AW_MSGMAP_ENTRY*) (theClass::_AWMsgEntries) }; \
AW_MSGMAP_ENTRY theClass::_AWMsgEntries[] = \
{#define ON_AWMSG(id,memberFxn) {(LOW_AW_TYPE)id,(LPF_AWPROC)(memberFxn)},//spfee modify at 20100525 for pclint
#define END_AWMSG_MAP() \
{enLAW_Butt,(LPF_AWPROC)0} \
};
AW_MSGMAP* theClass::GetAWMsgMap() const
{ return &theClass::AWMsgMap;}二,定义并初始化了一个AW_MSGMAP对象:
AW_MSGMAP theClass::AWMsgMap =
{&(baseClass::AWMsgMap),(AW_MSGMAP_ENTRY*) (theClass::_AWMsgEntries) };三,定义了一个数组_AWMsgEntries[]
AW_MSGMAP_ENTRY theClass::_AWMsgEntries[] =
{以后第一行ON_AWMSG,就为数组_AWMsgEntries增加一个元素。
这些都是编译阶段完成的,所以上面的数组并不是可变数组。
{1, 2}, //每一行定义一个POINT
{2, 3}, //每一行定义一个POINT
}