Class Program 
{
The static void Main (string [] args) 
{
List ListProduct=new List () {
New Product {ID=1, Name="A"}, 
New Product {ID=2, Name="B"}, 
New Product {ID=3, Name="C"}}; 
The Action [] actions=new Action [listProduct. Count]; 


for (int i=0; I & lt; ListProduct. Count; I++) 
{
Var b=I; 
The actions [b]=delegate {TaskTest (listProduct [I]); }; 


} 

//write no thread of execution of methods 
The foreach (var item in actions) 
{
ThreadPool. QueueUserWorkItem (s=& gt; The item (), null); 
} 


} 

The static void TaskTest (Product index) 
{
Console. WriteLine ($" current {index. ID} "); 
Console.ReadKey(); 
} 


} 
Public class Product 
{
Public int ID {get; set; } 

Public string Name {get; set; } 
} 

Write no output

CodePudding user response:

The Action into WaitCallback

CodePudding user response:

Because I need need to use the Parallel Invoke, Parallel operation is not supported WaitCallback only support the Action

CodePudding user response:

Since you used the Parallel Invoke, Parallel programming,
A: why do we consider the problem of thread pool?
Directly plug multiple action is ok,