public TProperty TryGetAssociatedItemProperty <TProperty>(uint itemId) where TProperty : class, IItemProperty
{
if (typeof(TProperty).IsAbstract)
{
ExceptionUtil.ThrowInvalidOperationException($"Cannot call this method with an abstract type, type: { typeof(TProperty).Name }.");
}
ItemPropertiesBox itemPropertiesBox = this.metaBox.ItemProperties;
IReadOnlyList <ItemPropertyAssociationEntry> items = itemPropertiesBox.TryGetAssociatedProperties(itemId);
if (items != null)
{
for (int i = 0; i < items.Count; i++)
{
IItemProperty property = itemPropertiesBox.TryGetProperty(items[i].PropertyIndex);
if (property is TProperty requestedProperty)
{
return(requestedProperty);
}
}
}
return(null);
}
public bool MoveNext()
{
CompressedAV1ImageCollection localItems = this.items;
if (localItems.version == this.version && (uint)this.index < (uint)localItems.Count)
{
this.Current = localItems[this.index];
this.index++;
return(true);
}
else
{
if (localItems.version != this.version)
{
ExceptionUtil.ThrowInvalidOperationException("The collection was modified while enumerating.");
}
this.index = localItems.Count;
this.Current = default;
return(false);
}
}