/// <summary>
/// Adds a new value to the dictionary.
/// </summary>
/// <param name="key1">First level key.</param>
/// <param name="key2">Second level key.</param>
/// <param name="key3">Third level key.</param>
/// <param name="value">Value to Add.</param>
public void Add(TKey1 key1, TKey2 key2, TKey3 key3, TValue value)
{
if (!TryGetValue(key1, out DualKeyDictionary <TKey2, TKey3, TValue> sdic))
{
sdic = new DualKeyDictionary <TKey2, TKey3, TValue>();
this[key1] = sdic;
}
sdic.Add(key2, key3, value);
}
/// <summary>
/// Sets or returns the value for both key levels.
/// </summary>
/// <param name="key1">First level key.</param>
/// <param name="key2">Second level key.</param>
/// <param name="key3">Third level key.</param>
public TValue this[TKey1 key1, TKey2 key2, TKey3 key3]
{
get
{
var sdic = this[key1];
return(sdic[key2][key3]);
}
set
{
if (!TryGetValue(key1, out DualKeyDictionary <TKey2, TKey3, TValue> sdic))
{
sdic = new DualKeyDictionary <TKey2, TKey3, TValue>();
this[key1] = sdic;
}
sdic[key2, key3] = value;
}
}