public void ShowEventInfo()
{
foreach (Delegate handler in TestEvent.GetInvocationList())
{
Console.WriteLine("EventHandler Method = {0}.{1}",
handler.Method.DeclaringType, handler.Method.Name);
}
}
public void TestInit()
{
if (TestEvent != null)
{
foreach (var d in TestEvent.GetInvocationList())
{
TestEvent -= (d as EventHandler <AsyncEventArgs>);
}
}
}
public void ReverseInvocationList()
{
Delegate[] handlers = TestEvent.GetInvocationList();
if (handlers.Length > 0)
{
// remove the handlers first
foreach (EventHandler handler in handlers)
{
TestEvent -= handler;
}
// reveres the order of the handlers
Array.Reverse(handlers);
// now, add the handlers back
foreach (EventHandler handler in handlers)
{
TestEvent += handler;
}
}
}
public Delegate[] GetInvocationList()
{
return(TestEvent != null?TestEvent.GetInvocationList() : new Delegate[0]);
}