/// <summary>
/// This method does filtering based on eventInfo, and should only be used when the TargetFrameworkProvider
/// is not directly available, for example in the CBM case where it is in another appdomain.
/// </summary>
private static EventDescriptorCollection GetFilteredEventDescriptorCollection(Type objectType, object instance)
{
Debug.Assert(s_cbmTdpBridge != null, "s_cbmTdpBridge should not be null");
EventDescriptorCollection eventDescriptors = null;
if (instance != null)
{
eventDescriptors = TypeDescriptor.GetEvents(instance);
}
else if (objectType != null)
{
eventDescriptors = TypeDescriptor.GetEvents(objectType);
}
else
{
throw new ArgumentException("At least one argument should be non-null");
}
BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance;
Type typeToUse = GetTypeToUseForCBMBridge(objectType);
string[] eventNames = s_cbmTdpBridge.GetFilteredEvents(typeToUse, bindingFlags);
var filteredEventDescriptors = from e in eventNames
let d = eventDescriptors[e]
where d != null select d;
return(new EventDescriptorCollection(filteredEventDescriptors.ToArray()));
}
private static EventDescriptorCollection GetFilteredEventDescriptorCollection(Type objectType, object instance)
{
EventDescriptorCollection eventDescriptors = null;
if (instance != null)
{
eventDescriptors = TypeDescriptor.GetEvents(instance);
}
else
{
if (objectType == null)
{
throw new ArgumentException("At least one argument should be non-null");
}
eventDescriptors = TypeDescriptor.GetEvents(objectType);
}
BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.Instance;
Type typeToUseForCBMBridge = GetTypeToUseForCBMBridge(objectType);
return(new EventDescriptorCollection((from e in s_cbmTdpBridge.GetFilteredEvents(typeToUseForCBMBridge, bindingFlags)
let d = eventDescriptors[e]
where d != null
select d).ToArray <EventDescriptor>()));
}