() 4
́ ( . thread) , . , , .
: . , . , .
(UML)
.Net .
System.Threading - . .
Thread, .
Thread myThread = new Thread(func);
Start() -
Thread.Sleep(n) -
.
using System;
using System.Threading;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
Thread myThread = new Thread(func);
myThread.Start(); //
for (int i = 0; i < 10; i++)
{
Console.WriteLine(" 1 " + i);
Thread.Sleep(1);
}
Console.Read(); //
}
static void func()
{
for (int i = 0; i < 10; i++)
{
Console.WriteLine(" 2 " + i.ToString());
Thread.Sleep(1);
}
:
1 0
2 0
1 1
1 2
1 3
2 1
<> ..
: .
. Main() .
IsAlive, true . Join(), .
. IsBackground . , . myThread.IsBackground = false;
, . - , , .
using System;
using System.Threading;
namespace ConsoleApplication1
|
|
|
{
class Program
{
class myThread
{
Thread thread;
public myThread(string name, int num)
//
{
thread = new Thread(this.func);
thread.Name = name;
thread.Start(num);//
}
void func(object num)// ,
{
for (int i = 0;i < (int)num;i++)
{
Console.WriteLine(Thread.CurrentThread.Name + " " + i);
Thread.Sleep(1);
}
Console.WriteLine(Thread.CurrentThread.Name + " ");
}
}
static void Main(string[] args)
{
myThread t1 = new myThread("Thread 1", 6);
myThread t2 = new myThread("Thread 2", 3);
myThread t3 = new myThread("Thread 3", 2);
Console.Read();
}
}
}
Join()
static int[] array;static void Main(string[] args){ Thread filler = new Thread(FillArray); filler.Start(); // , . for (int i = 1; i < 4; i++) { Console.WriteLine(" {0}", i); Thread.Sleep(1000); } // , , , . // , . filler.Join(); Console.WriteLine(" : {0}", string.Join(" ", array)); Console.ReadKey();}// static void FillArray(){ Random rand = new Random(); array = new int[20]; for (int i = 0; i < array.Length; i++) { array[i] = rand.Next(100); Thread.Sleep(200); }}
Invoke - . , , .
- , . Invoke , (-, , ).
, , . Invoke, , .
public Form1(){ InitializeComponent(); // , // var th = new Thread(DoSomething); th.Start();} void DoSomething(){ for (int i = 0; i <= 100; i++) { if (this.InvokeRequired) // DoSomething , // {// UpdateProgress //, this.Invoke(new Action(UpdateProgress)); } else // DoSomething , // UpdateProgress(); Thread.Sleep(50); }} void UpdateProgress(){ // 1 progressBar1.PerformStep();}
