加入自定义函数之后在编译时总是报： '(' - function definition unexpected E:\Program Files\MetaTrader 4\experts\test.mq4 (34, 16) 我将帮助文件中的例子复制过去也不行，哪们高手在MT4中做过自定义函数，望不吝赐教！谢谢先！

//+------------------------------------------------------------------+ //| test.mq4 | //| Copyright ?2005, MetaQuotes Software Corp. | //| http://www.metaquotes.net | //+------------------------------------------------------------------+ #property copyright "Copyright ?2005, MetaQuotes Software Corp." #property link "http://www.metaquotes.net" //+------------------------------------------------------------------+ //| expert initialization function | //+------------------------------------------------------------------+ int init() { //---- TODO: Add your code here. //---- return(0); } //+------------------------------------------------------------------+ //| expert deinitialization function | //+------------------------------------------------------------------+ int deinit() { //---- TODO: Add your code here. //---- return(0); } //+------------------------------------------------------------------+ //| expert start function | //+------------------------------------------------------------------+ int start() { //---- TODO: Add your code here. double // type linfunc (double x, double a, double b) // function name and // parameters list { // nested operators return (x+b) // returned value } //---- return(0) } //+------------------------------------------------------------------+

要放到整个程序的最后才行啊