/// <summary>
/// Attempts to retrieve a value of the known type from this StyleItem
/// </summary>
/// <typeparam name="T">The type of value to retrieve</typeparam>
/// <param name="itembase">This style item</param>
/// <param name="key">The style key of the value to retrieve</param>
/// <param name="found">Set to the value of any found item, or default value.</param>
/// <returns>True if the item has a reference to the value required, otherwise false.</returns>
public static bool TryGetValue <T>(this StyleItemBase itembase, PDFStyleKey <T> key, out T found)
{
StyleValue <T> exist;
if (itembase.AssertOwner().TryGetValue(key, out exist))
{
found = exist.Value(itembase.AssertOwner());
return(true);
}
else
{
found = default(T);
return(false);
}
}
/// <summary>
/// Sets a value of a known type for this style item, based on the specified key.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="itembase"></param>
/// <param name="key"></param>
/// <param name="value"></param>
public static void SetValue <T>(this StyleItemBase itembase, PDFStyleKey <T> key, T value)
{
StyleValue <T> found;
if (itembase.AssertOwner().TryGetValue(key, out found))
{
found.SetValue(value);
}
else
{
found = new StyleValue <T>(key, value);
itembase.AddBaseValue(found);
}
}