if（msg.what==0x123）是什么意思?public void handleMessage(Message msg){ if(msg.what==0x123) { .}}书上的解释是 判断消息是否来自于子线程,但是不太理解,如果msg.what==0x.之类的,

if（msg.what==0x123）是什么意思?public void handleMessage(Message msg){ if(msg.what==0x123) { .}}书上的解释是 判断消息是否来自于子线程,但是不太理解,如果msg.what==0x.之类的, C语言逻辑或问题if (hDlgModeless == 0 || IsDialogMessage (hDlgModeless,&msg))｛TranslateMessage (&msg) ;DispatchMessage (&msg) ;｝前面的判断0是为了保证非模态对话框句柄不是无效的,而后面的则是判断是否为发往 interval 是什么意思var msg=这是一个跑马灯效果的JavaScript文档;var interval = 100;var spacelen = 120;var space10= ;var seq=0;function Scroll() { len = msg.length;window.status = msg.substring(0, seq+1);seq++;if ( seq >= len ) { se android程序里Message的内容是什么,我print(msg)会得到（what=7 when=0）,其中what和when分别是什么? 谁来给我解释这个程序的结果?var msg = 1;function show(){var msg;msg = 2;}show();alert(msg);l结果输出的是1,为什么? 英语翻译%%%%%% ParseInputs%%%function [A,order,domain,s,padopt,msg] = ParseInputs(varargin)A = [];order = [];domain = [];s = [];padopt = 'zeros';msg = '';if (nargin < 3)msg = 'Too few inputs.';return;endif (nargin > 5)msg = 'Too many inputs.';ret 线性代数的一道题求解.X123 由x2 x3=0怎么得到两个基础解系的呢 vfp 数据类型sele 1insert into zy values(fnum,fname,fsex,fbirth,fbm,fwork,fzw)msg=messagebox(数据保存成功,是否继续输入,4+32+0,注意)if msg=6 thisform.text1.value= thisform.text2.value= thisform.combo1.value= thisform.combo2. 汇编中 MSG DB 'Welcome',0DH,0AH CNT EQU $ - MSG 其中的 $ - MSG cnt是定义的常量吗? 请帮我注释一下下面C#的代码,objShortMessageCollection = objclsSMS.ReadSMS(this.port);foreach (ShortMessage msg in objShortMessageCollection){ListViewItem item = new ListViewItem(new string[] { msg.Index ,msg.Sender,msg.Message });item.Tag matlab 表示什么 例如：if isempty(msg) 数组内的元素相加string msg=12 21;double sum = ;string[] sArray1 = msg.Split(' ');foreach(string a in sArray1){sum += Convert.ToDouble(a);}Console.WriteLine(2个数的和是：{0},sum);麻烦高手看下 要怎么写得到2个数的和 请问这个matlaB程序是什么意思?function [value,position] = mymax (x)msg = nargchk (1,1,nargin);error (msg);value = x (1);temp = 1;for ii = 2 :length (x)if value < x (ii)value = x (ii);temp = ii;endendif nargout > 1position = temp;end 对偶单纯形法的题minz=X1+2*X2+3*X3X1+2*X2+X3≥32*X3-X2+3*X3≥4X123≥0第二个是2X1-X2+3*X3≥4 能不能说的更详细点 089,-026,0x123,e1哪个不是合法常量 what if =what would you do 9999+6666X123开根号等于几?四舍五入至0.1针对（9999+6666X123）开根号应该是未知数 Auto reply msg翻译汉语是啥