internal static void MergeBindings(MultiValuedProperty <BindingMetadata> bindings, MultiValuedProperty <BindingMetadata> addedBindings, MultiValuedProperty <BindingMetadata> removedBindings, bool forceClear)
{
ArgumentValidator.ThrowIfNull("bindings", bindings);
ArgumentValidator.ThrowIfNull("addedBindings", addedBindings);
ArgumentValidator.ThrowIfNull("removedBindings", removedBindings);
if (forceClear && bindings.Any <BindingMetadata>())
{
bindings.Clear();
return;
}
using (MultiValuedProperty <BindingMetadata> .Enumerator enumerator = removedBindings.GetEnumerator())
{
while (enumerator.MoveNext())
{
BindingMetadata item = enumerator.Current;
BindingMetadata bindingMetadata = bindings.FirstOrDefault((BindingMetadata p) => p.ImmutableIdentity == item.ImmutableIdentity);
if (bindingMetadata != null)
{
bindings.Remove(bindingMetadata);
}
}
}
using (MultiValuedProperty <BindingMetadata> .Enumerator enumerator2 = addedBindings.GetEnumerator())
{
while (enumerator2.MoveNext())
{
BindingMetadata item = enumerator2.Current;
BindingMetadata bindingMetadata2 = bindings.FirstOrDefault((BindingMetadata p) => p.ImmutableIdentity == item.ImmutableIdentity);
if (bindingMetadata2 == null)
{
bindings.Add(item);
}
else if (!string.Equals(bindingMetadata2.DisplayName, item.DisplayName, StringComparison.InvariantCulture) || !string.Equals(bindingMetadata2.Name, item.Name, StringComparison.InvariantCultureIgnoreCase))
{
int index = bindings.IndexOf(bindingMetadata2);
bindings[index] = item;
}
}
}
}