internal EventRegistrationTokenListWithCount(TokenListCount tokenListCount, EventRegistrationToken token)
{
_tokenListCount = tokenListCount;
_tokenListCount.Inc();
_tokenList = new EventRegistrationTokenList(token);
}
internal static void AddEventHandler <T>(Func <T, EventRegistrationToken> addMethod,
Action <EventRegistrationToken> removeMethod,
T handler)
{
Debug.Assert(addMethod != null);
Debug.Assert(removeMethod != null);
// Add the method, and make a note of the token -> delegate mapping.
object instance = removeMethod.Target;
#if !RHTESTCL
Debug.Assert(instance != null && !(instance is __ComObject));
#endif
System.Collections.Generic.Internal.Dictionary <object, EventRegistrationTokenList> registrationTokens = GetEventRegistrationTokenTable(instance, removeMethod);
EventRegistrationToken token = addMethod(handler);
try
{
registrationTokens.LockAcquire();
EventRegistrationTokenList tokens;
if (!registrationTokens.TryGetValue(handler, out tokens))
{
tokens = new EventRegistrationTokenList(token);
registrationTokens[handler] = tokens;
}
else
{
bool needCopy = tokens.Push(token);
// You need to copy back this list into the dictionary (so that you don't lose change outside dictionary)
if (needCopy)
{
registrationTokens[handler] = tokens;
}
}
#if false
BCLDebug.Log("INTEROP", "[WinRT_Eventing] Event subscribed for managed instance = " + instance + ", handler = " + handler + "\n");
#endif
}
finally
{
registrationTokens.LockRelease();
}
}
internal EventRegistrationTokenList(EventRegistrationTokenList list)
{
firstToken = list.firstToken;
restTokens = list.restTokens;
}
