Thread.Start 方法 (System.Threading) | Microsoft Learn

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void Start();

public void Start ();

[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public void Start ();

member this.Start : unit -> unit

[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
member this.Start : unit -> unit

Public Sub Start ()

UnsupportedOSPlatformAttribute ThreadStart^ myThreadDelegate = gcnew ThreadStart(&ThreadWork::DoWork); Thread^ thread1 = gcnew Thread( myThreadDelegate ); thread1->Start(); for ( int i = 0; i < 3; i++ ) Console::WriteLine( "In main." ); Thread::Sleep( 100 ); // The example displays output like the following: // In main. // Working thread... // In main. // Working thread... // In main. // Working thread...


   using System;
using System.Threading;
public class ThreadWork
   public static void DoWork()
      for(int i = 0; i<3;i++) {
         Console.WriteLine("Working thread...");
         Thread.Sleep(100);
class ThreadTest
   public static void Main()
      Thread thread1 = new Thread(ThreadWork.DoWork);
      thread1.Start();
      for (int i = 0; i<3; i++) {
         Console.WriteLine("In main.");
         Thread.Sleep(100);
// The example displays output like the following:
//       In main.
//       Working thread...
//       In main.
//       Working thread...
//       In main.
//       Working thread...
   
    open System.Threading
module ThreadWork = 
    let doWork () =
        for _ = 0 to 2 do 
            printfn "Working thread..."
            Thread.Sleep 100
let thread1 = Thread ThreadWork.doWork
thread1.Start()
for _ = 0 to 2 do 
    printfn "In main."
    Thread.Sleep 100
// The example displays output like the following:
//       In main.
//       Working thread...
//       In main.
//       Working thread...
//       In main.
//       Working thread...
    
     Imports System.Threading
Public Class ThreadWork
   Public Shared Sub DoWork()
      Dim i As Integer
      For i = 0 To 2
         Console.WriteLine("Working thread...")
         Thread.Sleep(100)
      Next i
   End Sub
End Class
Class ThreadTest
   Public Shared Sub Main()
      Dim thread1 As New Thread(AddressOf ThreadWork.DoWork)
      thread1.Start()
      Dim i As Integer
      For i = 0 To 2
         Console.WriteLine("In main.")
         Thread.Sleep(100)
   End Sub
End Class
' The example displays output like the following:
'       In main.
'       Working thread...
'       In main.
'       Working thread...
'       In main.
'       Working thread...
     
      一旦執行緒處於
      
       ThreadState.Running
      
      狀態，作業系統就可以將它排程為執行。 執行緒會在提供給執行緒建構函式的 或
      
       ParameterizedThreadStart
      
      委派所
      
       ThreadStart
      
      表示的方法第一行開始執行。 請注意，呼叫
      
       Start
      
      不會封鎖呼叫執行緒。
     
     
      如果此多載與使用
      
       ParameterizedThreadStart
      
      委派建立的執行緒搭配使用，
      
       null
      
      則會傳遞至執行緒所執行的方法。
     
     
      執行緒終止之後，就無法以另一個 呼叫
      
       Start
      
      重新開機。
     
     void Start(System::Object ^ parameter);
    
    public void Start (object? parameter);
    [System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public void Start (object? parameter);
    public void Start (object parameter);
    member this.Start : obj -> unit
    [<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
member this.Start : obj -> unit
    Public Sub Start (parameter As Object)
    // Start a thread that calls a parameterized static method.
            Thread^ newThread = gcnew
                Thread(gcnew ParameterizedThreadStart(Work::DoWork));
            newThread->Start(42);
            // Start a thread that calls a parameterized instance method.
            Work^ someWork = gcnew Work;
            newThread = gcnew Thread(
                        gcnew ParameterizedThreadStart(someWork,
                        &Work::DoMoreWork));
            newThread->Start("The answer.");
        static void DoWork(Object^ data)
            Console::WriteLine("Static thread procedure. Data='{0}'", 
                data);
        void DoMoreWork(Object^ data)
            Console::WriteLine("Instance thread procedure. Data='{0}'", 
                data);
//Entry point of example application
int main()
    SystemThreadingExample::Work^ samplework = 
        gcnew SystemThreadingExample::Work();
    samplework->StartThreads();
// This example displays output like the following:
//       Static thread procedure. Data='42'
//       Instance thread procedure. Data='The answer.'
    
     using System;
using System.Threading;
public class Work
    public static void Main()
        // Start a thread that calls a parameterized static method.
        Thread newThread = new Thread(Work.DoWork);
        newThread.Start(42);
        // Start a thread that calls a parameterized instance method.
        Work w = new Work();
        newThread = new Thread(w.DoMoreWork);
        newThread.Start("The answer.");
    public static void DoWork(object data)
        Console.WriteLine("Static thread procedure. Data='{0}'",
            data);
    public void DoMoreWork(object data)
        Console.WriteLine("Instance thread procedure. Data='{0}'",
            data);
// This example displays output like the following:
//       Static thread procedure. Data='42'
//       Instance thread procedure. Data='The answer.'
     
      open System.Threading
type Work() =
    static member DoWork(data: obj) =
        printfn $"Static thread procedure. Data='{data}'"
    member _.DoMoreWork(data: obj) =
        printfn $"Instance thread procedure. Data='{data}'"
// Start a thread that calls a parameterized static method.
let newThread = Thread(ParameterizedThreadStart Work.DoWork)
newThread.Start 42
// Start a thread that calls a parameterized instance method.
let w = Work()
let newThread2 = Thread(ParameterizedThreadStart w.DoMoreWork)
newThread.Start "The answer."
// This example displays output like the following:
//       Static thread procedure. Data='42'
//       Instance thread procedure. Data='The answer.'
      
       Imports System.Threading
Public Class Work
    Shared Sub Main()
        ' Start a thread that calls a parameterized static method.
        Dim newThread As New Thread(AddressOf Work.DoWork)
        newThread.Start(42)
        ' Start a thread that calls a parameterized instance method.
        Dim w As New Work()
        newThread = New Thread(AddressOf w.DoMoreWork)
        newThread.Start("The answer.")
    End Sub
    Public Shared Sub DoWork(ByVal data As Object)
        Console.WriteLine("Static thread procedure. Data='{0}'",
                          data)
    End Sub
    Public Sub DoMoreWork(ByVal data As Object) 
        Console.WriteLine("Instance thread procedure. Data='{0}'",
                          data)
    End Sub
End Class
' This example displays output like the following:
'    Static thread procedure. Data='42'
'    Instance thread procedure. Data='The answer.'
       
        一旦執行緒處於
        
         ThreadState.Running
        
        狀態，作業系統就可以將它排程為執行。 執行緒會在提供給執行緒建構函式的 或
        
         ParameterizedThreadStart
        
        委派所
        
         ThreadStart
        
        表示的方法第一行開始執行。 請注意，呼叫
        
         Start
        
        不會封鎖呼叫執行緒。
       
       
        執行緒終止之後，就無法以另一個 呼叫
        
         Start
        
        重新開機。
       
       
        此多載和
        
         ParameterizedThreadStart
        
        委派可讓您輕鬆地將資料傳遞至執行緒程式，但技術的類型並不安全，因為任何物件都可以傳遞至這個多載。 將資料傳遞至執行緒程式的更健全方式，就是將執行緒程式和資料欄位放入背景工作物件。 如需詳細資訊，請參閱
        
         在開始時間建立執行緒和傳遞資料
        
        。