internal static void AddEventHandler <T>(Func <T, EventRegistrationToken> addMethod, Action <EventRegistrationToken> removeMethod, T handler)
{
Dictionary <object, WindowsRuntimeMarshal.EventRegistrationTokenList> registrationTokenTable = WindowsRuntimeMarshal.ManagedEventRegistrationImpl.GetEventRegistrationTokenTable(removeMethod.Target, removeMethod);
EventRegistrationToken token = addMethod(handler);
lock (registrationTokenTable)
{
WindowsRuntimeMarshal.EventRegistrationTokenList local_4;
if (!registrationTokenTable.TryGetValue((object)handler, out local_4))
{
local_4 = new WindowsRuntimeMarshal.EventRegistrationTokenList(token);
registrationTokenTable[(object)handler] = local_4;
}
else
{
if (!local_4.Push(token))
{
return;
}
registrationTokenTable[(object)handler] = local_4;
}
}
}
internal EventRegistrationTokenListWithCount(WindowsRuntimeMarshal.NativeOrStaticEventRegistrationImpl.TokenListCount tokenListCount, EventRegistrationToken token)
{
this._tokenListCount = tokenListCount;
this._tokenListCount.Inc();
this._tokenList = new WindowsRuntimeMarshal.EventRegistrationTokenList(token);
}
internal EventRegistrationTokenList(WindowsRuntimeMarshal.EventRegistrationTokenList list)
{
this.firstToken = list.firstToken;
this.restTokens = list.restTokens;
}