ThreadAbortException.ExceptionState 屬性
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
取得物件,其中包含有關執行緒中止之特定應用程式的資訊。
public:
property System::Object ^ ExceptionState { System::Object ^ get(); };
public object? ExceptionState { get; }
public object ExceptionState { get; }
member this.ExceptionState : obj
Public ReadOnly Property ExceptionState As Object
屬性值
包含特定應用程式資訊的物件。
範例
下列程式碼範例示範如何將資訊傳遞至正在中止的執行緒。
using namespace System;
using namespace System::Threading;
ref class Test
{
private:
Test(){}
public:
static void TestMethod()
{
try
{
while ( true )
{
Console::WriteLine( "New thread running." );
Thread::Sleep( 1000 );
}
}
catch ( ThreadAbortException^ abortException )
{
Console::WriteLine( dynamic_cast<String^>(abortException->ExceptionState) );
}
}
};
int main()
{
Thread^ newThread = gcnew Thread( gcnew ThreadStart( &Test::TestMethod ) );
newThread->Start();
Thread::Sleep( 1000 );
// Abort newThread.
Console::WriteLine( "Main aborting new thread." );
newThread->Abort( "Information from main." );
// Wait for the thread to terminate.
newThread->Join();
Console::WriteLine( "New thread terminated - main exiting." );
}
using System;
using System.Threading;
class Test
{
public static void Main()
{
Thread newThread = new Thread(new ThreadStart(TestMethod));
newThread.Start();
Thread.Sleep(1000);
// Abort newThread.
Console.WriteLine("Main aborting new thread.");
newThread.Abort("Information from Main.");
// Wait for the thread to terminate.
newThread.Join();
Console.WriteLine("New thread terminated - Main exiting.");
}
static void TestMethod()
{
try
{
while(true)
{
Console.WriteLine("New thread running.");
Thread.Sleep(1000);
}
}
catch(ThreadAbortException abortException)
{
Console.WriteLine((string)abortException.ExceptionState);
}
}
}
Imports System.Threading
Public Class Test
<MTAThread> _
Shared Sub Main()
Dim newThread As New Thread(AddressOf TestMethod)
newThread.Start()
Thread.Sleep(1000)
' Abort newThread.
Console.WriteLine("Main aborting new thread.")
newThread.Abort("Information from Main.")
' Wait for the thread to terminate.
newThread.Join()
Console.WriteLine("New thread terminated - Main exiting.")
End Sub
Shared Sub TestMethod()
Try
While True
Console.WriteLine("New thread running.")
Thread.Sleep(1000)
End While
Catch abortException As ThreadAbortException
Console.WriteLine( _
CType(abortException.ExceptionState, String))
End Try
End Sub
End Class
備註
這個屬性所傳回的物件是透過 stateInfo
方法的 Abort 參數來指定。 此物件的確切內容和使用方式是定義應用程式;它通常用來傳達對中止之執行緒有意義的資訊。