一个循环中的匿名c＃委托 [英] Anonymous c# delegate within a loop

问题描述

你好，我正在努力写和匿名的代表。因为整数变量在代理之间共享，所以我需要它是每个代表的本地实例，使得rs [0]总是得到nics [0]，rs [1]总是得到nics [1]等等...我会实现这个。

  for（int i = 0; i< nics.Count; i ++）
 { 
 rs [i] = new RollingSeries（monitor，new RollingSeries.NextValueDelegate（delegate（）
 {
 return GetNetworkUtilization（nics [i]）; 
}））; 
} 
  

Abdul khaliq

解决方案

制作 i的本地副本：

 code> for（int i = 0; i< nics.Count; i ++）
 {
 int j = i; 
 rs [i] = new RollingSeries（monitor，new RollingSeries.NextValueDelegate（delegate（）
 {
 return GetNetworkUtilization（nics [j]）; 
}））; 
} 
  

关闭之美

Hi all i am trying to write and anonymous delegate. as the integer variable is shared among the delegate i need it to be the local instance of every delegate such that rs[0] always gets nics[0], rs[1] always gets nics[1] and so on... how will i achieve this.

for (int i = 0; i < nics.Count; i++)
   {
         rs[i] = new RollingSeries(monitor, new RollingSeries.NextValueDelegate(delegate()
         {
            return GetNetworkUtilization(nics[i]);
          }));
    }

Abdul khaliq

解决方案

Make a local copy of i:

   for (int i = 0; i < nics.Count; i++)
   {
         int j = i;
         rs[i] = new RollingSeries(monitor, new RollingSeries.NextValueDelegate(delegate()
         {
            return GetNetworkUtilization(nics[j]);
          }));
    }

The Beauty of Closures

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