public void MyCollection_Should_Work_With_Linq()
{
var myCollection = new MyCollection();
myCollection[3] = new Item {
Id = 3, Name = "Item 3"
};
Assert.NotNull(myCollection.FirstOrDefault(i => i.Id == 3));
}
private void OnCollectionChanged(int?id)
{
var cartItem = Items.FirstOrDefault(x => x.Id == id);
if (cartItem == null)
{
return;
}
cartItem.IsFavorite = !cartItem.IsFavorite;
if (cartItem.IsFavorite)
{
MyCollection.Add(cartItem);
}
else
{
MyCollection.Remove(MyCollection.FirstOrDefault(x => x.Id == id));
}
}
