public virtual void AddToDictionary(object instance, object key, object item)
{
if (instance == null)
{
throw new ArgumentNullException("instance");
}
var instanceType = instance.GetType();
var lookupKey = Tuple.Create(instanceType, key?.GetType(), item?.GetType());
var mode = Type?.SchemaContext.InvokerOptions ?? XamlInvokerOptions.None;
if (mode.HasFlag(XamlInvokerOptions.Compile))
{
Action <object, object, object> addDelegate;
if (TryGetCache(lookupKey, out addDelegate))
{
addDelegate(instance, key, item);
return;
}
MethodInfo mi = LookupAddDictionaryMethod(instanceType);
if (mi == null)
{
throw new InvalidOperationException($"The dictionary type '{instanceType}' does not have 'Add' method");
}
if (mode.HasFlag(XamlInvokerOptions.DeferCompile))
{
addDelegate = (i, k, v) => mi.Invoke(i, new object[] { k, v });
Task.Factory.StartNew(() => cache[key] = addDelegate = mi.BuildCall2Expression());
}
else
{
addDelegate = mi.BuildCall2Expression();
}
cache[lookupKey] = addDelegate;
addDelegate(instance, key, item);
}
else
{
MethodInfo mi;
if (TryGetCache(lookupKey, out mi))
{
mi.Invoke(instance, new object[] { key, item });
return;
}
mi = LookupAddDictionaryMethod(instanceType);
if (mi == null)
{
throw new InvalidOperationException($"The dictionary type '{instanceType}' does not have 'Add' method");
}
cache[lookupKey] = mi;
mi.Invoke(instance, new object [] { key, item });
}
}
