Reputation: 41
Main AppDomain have some child AppDomains. In child AppDomain may be UnhandledException. How to unload child AppDomain by UnhandledException in child AppDomain.
Upvotes: 3
Views: 1236
Reputation: 28728
This can be done by try ... finally ...
, without registering an UnhandledException event handler:
using System;
using System.Reflection;
interface IFoo
{
void DoGood();
void DoBad();
}
class Foo : MarshalByRefObject, IFoo
{
public void DoGood() { Console.WriteLine("I'm good (" + AppDomain.CurrentDomain.FriendlyName + ")"); }
public void DoBad() { throw new Exception("I'm bad (" + AppDomain.CurrentDomain.FriendlyName + ")"); }
}
class Program
{
public static void Main()
{
try
{
AppDomain domain = AppDomain.CreateDomain("FooDomain");
try
{
string assemblyName = Assembly.GetExecutingAssembly().FullName; // may be different assembly
string typeName = "Foo";
IFoo foo = (IFoo)domain.CreateInstanceAndUnwrap(assemblyName, typeName);
foo.DoGood();
foo.DoBad();
}
finally
{
AppDomain.Unload(domain);
}
}
catch (Exception e)
{
Console.WriteLine("Error: " + e.Message);
}
}
}
The output is:
I'm good (FooDomain)
Error: I'm bad (FooDomain)
Upvotes: 3