static bool Unset(ref NPropertyBag head, NProperty key)
{
var e = head.GetEntry(key);
if (e == null)
{
return(false); // value not changed -> do nothing
}
head = head.Clone();
head.Remove(key);
return(true);
}
static bool Set(ref NPropertyBag head, NProperty key, object value)
{
var e = head.GetEntry(key);
if (e != null && Equals(e._value, value))
{
return(false); // value not changed -> do nothing
}
head = head.Clone();
head.Set(key, value);
return(true);
}
/// <summary>
/// Defines custom logic to update component in case of property or state changes
/// </summary>
/// <returns>Returns true if properties or state is changed</returns>
protected virtual bool ShouldComponentUpdate(NPropertyBag props, NPropertyBag state, NPropertyBag oldProps, NPropertyBag oldState)
{
return(props.Head != oldProps.Head || state.Head != oldState.Head);
}
