本文整理匯總了C#中System.AppDomain.FirstChanceException事件的典型用法代碼示例。如果您正苦於以下問題：C# AppDomain.FirstChanceException事件的具體用法？C# AppDomain.FirstChanceException怎麽用？C# AppDomain.FirstChanceException使用的例子？那麽, 這裏精選的事件代碼示例或許可以為您提供幫助。您也可以進一步了解該事件所在類System.AppDomain的用法示例。
在下文中一共展示了AppDomain.FirstChanceException事件的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: Main
//引入命名空間
using System;
using System.Reflection;
using System.Runtime.ExceptionServices;
class Example
{
static void Main()
{
AppDomain.CurrentDomain.FirstChanceException += FirstChanceHandler;
// Create a set of application domains, with a Worker object in each one.
// Each Worker object creates the next application domain.
AppDomain ad = AppDomain.CreateDomain("AD0");
Worker w = (Worker) ad.CreateInstanceAndUnwrap(
typeof(Worker).Assembly.FullName, "Worker");
w.Initialize(0, 3);
Console.WriteLine("\r\nThe last application domain throws an exception and catches it:");
Console.WriteLine();
w.TestException(true);
try
{
Console.WriteLine(
"\r\nThe last application domain throws an exception and does not catch it:");
Console.WriteLine();
w.TestException(false);
}
catch (ArgumentException ex)
{
Console.WriteLine("ArgumentException caught in {0}: {1}",
AppDomain.CurrentDomain.FriendlyName, ex.Message);
}
}
static void FirstChanceHandler(object source, FirstChanceExceptionEventArgs e)
{
Console.WriteLine("FirstChanceException event raised in {0}: {1}",
AppDomain.CurrentDomain.FriendlyName, e.Exception.Message);
}
}
public class Worker : MarshalByRefObject
{
private AppDomain ad = null;
private Worker w = null;
public void Initialize(int count, int max)
{
// Handle the FirstChanceException event in all application domains except
// AD1.
if (count != 1)
{
AppDomain.CurrentDomain.FirstChanceException += FirstChanceHandler;
}
// Create another application domain, until the maximum is reached.
// Field w remains null in the last application domain, as a signal
// to TestException().
if (count < max)
{
int next = count + 1;
ad = AppDomain.CreateDomain("AD" + next);
w = (Worker) ad.CreateInstanceAndUnwrap(
typeof(Worker).Assembly.FullName, "Worker");
w.Initialize(next, max);
}
}
public void TestException(bool handled)
{
// As long as there is another application domain, call TestException() on
// its Worker object. When the last application domain is reached, throw a
// handled or unhandled exception.
if (w != null)
{
w.TestException(handled);
}
else if (handled)
{
try
{
throw new ArgumentException("Thrown in " + AppDomain.CurrentDomain.FriendlyName);
}
catch (ArgumentException ex)
{
Console.WriteLine("ArgumentException caught in {0}: {1}",
AppDomain.CurrentDomain.FriendlyName, ex.Message);
}
}
else
{
throw new ArgumentException("Thrown in " + AppDomain.CurrentDomain.FriendlyName);
}
}
static void FirstChanceHandler(object source, FirstChanceExceptionEventArgs e)
{
Console.WriteLine("FirstChanceException event raised in {0}: {1}",
AppDomain.CurrentDomain.FriendlyName, e.Exception.Message);
}
}輸出：
The last application domain throws an exception and catches it: FirstChanceException event raised in AD3: Thrown in AD3 ArgumentException caught in AD3: Thrown in AD3 The last application domain throws an exception and does not catch it: FirstChanceException event raised in AD3: Thrown in AD3 FirstChanceException event raised in AD2: Thrown in AD3 FirstChanceException event raised in AD0: Thrown in AD3 FirstChanceException event raised in Example.exe: Thrown in AD3 ArgumentException caught in Example.exe: Thrown in AD3