private static void AttachMethodToEvent(
object sinkService,
object sourceService,
MethodInfo sinkMethodInfo,
EventInfo sourceEventInfo,
GetEventMethodDelegate delGev)
{
Delegate del = CreateDelegate(sinkService, sinkMethodInfo, sourceEventInfo);
// Add or remove the delegate to the event
// using the event's method retrieved using
// the delGev GetEventMethodDelegate
MethodInfo delAddMethodInfo = delGev(sourceEventInfo);
Object[] delAddMethodArgs = { del };
try
{
delAddMethodInfo.Invoke(sourceService, delAddMethodArgs);
}
catch (TargetException)
{
Debug.Fail(UnexpectedException.Message);
throw new UnexpectedException();
}
catch (ArgumentException)
{
// Arguments should be right because the delegate is
// the correct type for the event
Debug.Fail(UnexpectedException.Message);
throw new UnexpectedException();
}
catch (TargetInvocationException)
{
// Not really sure
Debug.Fail(UnexpectedException.Message);
throw new UnexpectedException();
}
catch (TargetParameterCountException)
{
// Arguments should be correct...
Debug.Fail(UnexpectedException.Message);
throw new UnexpectedException();
}
catch (MethodAccessException)
{
Debug.Fail(UnexpectedException.Message);
throw new UnexpectedException();
}
catch (InvalidOperationException)
{
// I don't really know if this should be expected
Debug.Fail(UnexpectedException.Message);
throw new UnexpectedException();
}
}
private static void AttachSinkToEvent(
object sinkService,
object sourceService,
EventInfo sourceEventInfo,
GetEventMethodDelegate delGev)
{
// Try to subscribe each method of the sink
// to each event of the service
Type sinkServiceType = sinkService.GetType();
MethodInfo[] sinkMethodInfoArray = sinkServiceType.GetMethods();
foreach (MethodInfo sinkMethodInfo in sinkMethodInfoArray)
{
AttachMethodToEvent(sinkService, sourceService, sinkMethodInfo, sourceEventInfo, delGev);
}
}
private static void AttachSinkToSource(
object sinkService,
object sourceService,
GetEventMethodDelegate delGev)
{
Debug.Assert(null != sinkService);
Debug.Assert(null != sourceService);
// Type of service
Type sourceServiceType = sourceService.GetType();
// Go through all the events in the service
EventInfo[] sourceEventInfoArray = sourceServiceType.GetEvents();
foreach (EventInfo sourceEventInfo in sourceEventInfoArray)
{
AttachSinkToEvent(sinkService, sourceService, sourceEventInfo, delGev);
}
}
// TODO: These aren't correctly named since they can be used to both attach and remove
private static void AttachSinkToAllSources(
object sinkService,
Stack<object> sourceServices,
GetEventMethodDelegate delGev)
{
Debug.Assert(null != sinkService);
// Catch everything
try
{
// Try each current service
foreach (object source in sourceServices)
{
Debug.Assert(null != source, "Shouldn't be possible for the list to contain null");
AttachSinkToSource(sinkService, source, delGev);
}
}
catch
{
Debug.Fail(UnexpectedException.Message);
throw new UnexpectedException();
}
}